Environmental Conservation
Environmental conservation is the protection, preservation, management, or restoration of natural environments and the ecological communities that inhabit them. It generally includes the management of human use of natural resources for current public benefit and sustainable social and economic utilisation.
At its foundation, conservation is the planned management of man’s surroundings to prevent its exploitation, destruction, or neglect. It does not mean hoarding. It means the wise management of resources to provide a continuous supply for a long time into the future — implying continuous renewal of a resource and recovering, recycling, or reusing the products.
Conservation of a natural area means its maintenance in a natural state for the purpose of enjoyment or study, in order to understand and appreciate the complexities of ecological laws. The concept derives its tenets from a knowledge of ecology — the science concerned with interrelationships between living things and their environment.
Conservation vs. Preservation
Preservation implies keeping natural resources in essentially undisturbed condition because of their scientific interest, aesthetic appeal, or recreational value (e.g., strict protected areas, no use at all). Conservation is broader — it includes rational use of resources for commodity or recreational value, sustainable harvesting, and restoration, alongside protection. Conservation is the pragmatic middle path between exploitation and preservation.
Natural resources are classified into renewable resources (forests, pastures, wildlife, aquatic life — replaced by natural processes, inexhaustible if properly managed) and non-renewable resources (minerals, metals, soil, coal, oil deposits — available in limited amounts and cannot be rebuilt). The urgency of conservation arises because:
- World population is increasing at an alarming rate.
- World resources are being used up at an increasing rate due to population growth.
- Pollution is increasing with the passage of time.
- Damage caused by human activities is sometimes irreversible — once species go extinct, or ecosystems collapse, they cannot be restored.
Concept of Conservation
Conservation is a broad concept involving not only scientific but also ethical, moral, economic, and political aspects. It has been variously defined according to different professional perspectives:
| Perspective | Meaning of Conservation |
|---|---|
| Petroleum Engineer | Minimising waste from incomplete extraction — maximising recovery efficiency |
| Forester | Sustained yield of forest products — harvesting only the annual increment |
| Generalised Definition | “The maximisation over time of the net social benefits in goods and services from resources” |
| Comprehensive Definition | Achievement of the highest sustainable quality of living for mankind by rational utilisation of the environment, protection of nature, and the control or elimination of environmental pollution in its many manifestations |
| Ecological Context | Maintenance of a natural area in its natural state for study, enjoyment, and understanding of ecological laws |
Conservation involves the collective responsibility of governments, private organisations, industries, and individuals — along with the setting aside of funds and finances for ecological research and execution of conservation projects. It perpetuates the natural environment of man, including air, water, soil, and all life forms.
“Conservation is not a negative concept involving a simple curb on consumption. It is a positive programme of management — ensuring that what we harvest from the earth is replaced, what we damage is restored, and what we protect is studied and appreciated.”
Aims and Principles of Conservation
Aims of Conservation
The aims of conservation are two-fold:
- To ensure the preservation of a quality environment that considers aesthetics and recreational as well as product needs.
- To ensure a continuous yield of useful plants, animals, and materials by establishing a balanced cycle of harvest and renewal.
Principles of Conservation
Conservation is achieved through measures adopted in favour of a natural resource in order to increase its longevity and improve usage patterns. The following eight principles form the framework:


Wildlife Conservation:
Wildlife refers to non-domesticated animals living in a natural habitat. India was endowed with a particularly rich biological heritage — nearly 45,000 plant species (of which 7,000 are endemic) and approximately 75,000 animal species (of which 850 are mammals). However, human interference has caused the number of wildlife to decline sharply: many species have become extinct, some are endangered, and others are threatened.
| Classification | Meaning | Indian/Global Examples |
|---|---|---|
| Critically Endangered | Will not survive without human assistance | California condor, Florida panther, Great Indian Bustard |
| Endangered | Once abundant but drastically reduced; in immediate danger of extinction | Whooping crane, blue whale, gharial, Bengal tiger |
| Threatened | Abundant in parts of range but severely depleted in others; likely to become endangered | Grizzly bear, one-horned rhinoceros |
| Rare | Not endangered at present but at risk because of low numbers | Many island species; some montane endemics |
| Extinct | No longer exist anywhere on Earth | Dodo, passenger pigeon, Indian cheetah (in wild since 1952) |
The world is losing one species every day, and within the next 20 years, at least 25% of all forms of wildlife could be extinct if present trends continue. India alone has an estimated 150 threatened mammal species and 150 threatened bird species. An unknown number of insect and plant species are also in danger.
Reasons for Extinction of Wildlife
Wildlife extinction results from many forces operating in society — economics, politics, and psychology. The following are the principal human-driven causes:

Detailed Examination of Key Causes
| Cause | Mechanism | Indian Example |
|---|---|---|
| Alteration of Habitat | Deforestation, drainage, overgrazing, expanding agriculture, urban development, highway construction, dam building destroy species’ living space. Species must adapt, migrate, or die. | Tiger habitat fragmented across India; Great Indian Bustard habitat converted to agriculture and solar farms in Rajasthan and Gujarat |
| Commercial, Sport, and Subsistence Hunting | Animals killed for food, fats, finery (fur/feathers), fun, financial gain, and fear. Commercially: rhinos for horns; gharials and crocodiles for skin; whales for “whalebone”. | Indian rhino (Kaziranga); snow leopard in Himalayas; vultures killed by diclofenac in cattle carcasses |
| Introduction of Foreign Species | An introduced species’ niche may overlap a native species; the newcomer out-competes the native, leading to extinction. Rabbits became pests in Australia because of no natural predator. | Water hyacinth (Eichhornia crassipes) outcompeting native aquatic plants across Indian water bodies |
| Control of Pests and Predators | Natural predators remove aged and sick prey; humans remove strongest specimens. Predator/pest control (i) kills natural predators integral to ecosystem balance; (ii) indiscriminately poisons non-target species, rippling through the food chain. | Three Indian vulture species (long-billed, slender-billed, Oriental white-backed) decimated by diclofenac used in cattle — a non-target species effect |
| Collection for Zoos, Research, and Pet Trade | Primates especially collected because of anatomical/genetic similarity to humans. Research animals often fail to breed in captivity; high mortality during capture. Cacti, orchids uprooted for trade. | Hoolock gibbons, slow lorises collected for pet trade; numerous reptiles and amphibians in illegal trade |
| Pollution | Water pollution especially harmful to estuarine and coastal organisms. Toxic wastes entering food chains devastate populations. Insecticides and pesticides affect aquatic and terrestrial fauna. | Gangetic dolphin affected by industrial effluents; sea turtles threatened by plastic pollution and entanglement |
| Other Ecological Factors | Degree of specialisation (more specialised = more vulnerable); Location in food chain (higher = more susceptible); Distribution range (smaller range = greater extinction threat, islands especially); Reproductive rate (large organisms reproduce slowly); Tolerance of human presence. | Great Indian Bustard (highly specialised grassland diet); snow leopard (apex predator with vast range requirements) |
Need for Wildlife Conservation
Why should we save endangered species? The question has multiple compelling answers spanning genetic, ecological, economic, aesthetic, and ethical dimensions:

How to Save Endangered Species
Preserving species is not a simple matter. The problems of wildlife management are very complex and involve work on three overlapping levels: technical (habitat management, captive breeding), legal (acts, prohibitions, enforcement), and personal (individual awareness, behaviour change).
Wildlife populations respond very sensitively to their habitats — thus, habitat management is the most efficient technique. Wildlife management fundamentally includes habitat management. The most effective framework is the Integrated Species Management Programme — a diversified attack on the causes of extinction:
| # | Measure | Mechanism |
|---|---|---|
| 1 | Reduce habitat destruction | Careful selection of urban and other development locations to avoid critical wildlife habitats |
| 2 | Establish preserves | Protect nesting grounds and other critical habitats through national parks and sanctuaries |
| 3 | Reduce commercial and trophy hunting | When species is rare/threatened/endangered; use synthetic alternatives where available |
| 4 | Improve wildlife management | Programmes to protect and manage non-game species, not just charismatic megafauna |
| 5 | Control alien species introduction | Especially critical on islands where native species are most vulnerable to competitive exclusion |
| 6 | Careful predator/pest control | Design programmes that avoid indiscriminate elimination of non-target species |
| 7 | Reduce pollution | Prevent toxic contamination of food chains and habitats |
| 8 | Public awareness | Increase understanding of wildlife value and causes of extinction at all levels |
| 9 | Captive breeding programmes | Raise endangered species in captivity for subsequent release into protected habitats |
| 10 | Breeding programmes for research | Reduce wild capture by generating research animals in captivity |
| 11 | Tough penalties and policing | Enforce animal and plant trade laws; police poaching vigorously |
| 12 | International cooperation | Curb trade of endangered species through CITES and bilateral/multilateral agreements |
| 13 | Increase expenditure | Possibly through new environmental taxes; fund all protective measures adequately |
| 14 | Intensify research | Learn more about ecosystem stability; identify critical plant and animal habitats |
The Systems Approach
A group of techniques specifically designed for benefiting one target species in each area is called the systems approach. It involves: (a) intensive study and research by experts; (b) definition of goals; (c) public education through all media; (d) programmes to retain and improve habitat; (e) goal-oriented game harvest regulations or population control; (f) manipulation of sex and age ratios and animal density; (g) action to deter or apprehend poachers; (h) control of disease and parasites; and (i) well-researched transplanting of wildlife from areas of successful breeding to areas with high population-building potential (e.g., one-horned rhino translocation from Kaziranga to Tarahi).
Conservation in India: Status and Challenge
Indian wildlife is rich and diverse and hence deserves strong protection. The country’s biological wealth includes 45,000 plant species (7,000 endemic), 75,000 animal species (850 mammals). The prestigious list includes the mighty elephant, the gigantic Himalayan sheep, the Indian bison (gaur), spotted deer (chital), blackbuck, four-horned antelope, one-horned rhinoceros, Asiatic lion, and tiger.
Despite this wealth, human interference has caused serious depletion. It is estimated that the existence of 150 mammals and 150 birds is threatened. An unknown number of insects and flora are in danger of extinction.
| Category | Examples from India |
|---|---|
| Endangered Reptiles | Gharial, Green Sea Turtle, Pythons, Tortoise |
| Endangered Mammals | Black Buck, Lion-tailed Macaque, Wild Ass, Hyaena, Sloth Bear, Tiger, Cheetal, Sambar |
| Endangered Birds | Great Indian Bustard, Great Indian Hornbill, Brown-Headed Gull, Mountain Quail, Peacock, Peafowl, Pelican, Siberian White Crane |
Key Conservation Milestones in India
| Year | Milestone | Significance |
|---|---|---|
| 1952 | Indian Board of Wildlife established | First dedicated institutional body for wildlife oversight |
| 1970 | Hangul (Kashmir Stag) Conservation Project | First species-specific conservation programme in India |
| 1971 | UNESCO Man and Biosphere Programme (MAB) | India joined global biosphere reserve framework |
| 1972 | Wildlife Protection Act | Landmark legislation; established protected area network; prohibited hunting of most wildlife |
| 1972 | Lion Conservation Project (Gir) | Protection for last Asiatic lions in Gir forest, Gujarat |
| 1973 | Project Tiger launched (April 1) | Flagship conservation programme; 18 tiger reserves established |
| 1974 | Crocodile Conservation Project | Protection for gharial and marsh crocodile |
| 1976 | India party to CITES | International Trade in Endangered Species — controls wildlife trade |
| 1981 | Brown-antlered Deer Conservation | Sangai (Manipur’s dancing deer) protection project |
| 1992 | Project Elephant launched | Long-term elephant conservation in natural habitats; 12 states |
| 2022 | Cheetah Reintroduction (Kuno NP) | First inter-continental large carnivore translocation; 8 cheetahs from Namibia |
Protected Areas: National Parks, Sanctuaries, and Reserves
A National Park is an area dedicated to conserve the environment, natural and historical objects, and wildlife therein while providing for public enjoyment — in such a manner that leaves them unimpaired for future generations. All private rights are non-existent; all forestry operations and usages such as domestic animal grazing are prohibited.
A Wildlife Sanctuary prohibits killing, hunting, shooting, or capturing of any bird or mammal species, except by or under the control of the sanctuary management authority. Private ownership rights may continue; forestry and other usages permitted if they do not adversely affect wildlife.
A Protected Area is any area where special protection is offered to wildlife (including areas around reservoirs that attract water birds, or areas around large towns and sacred places).
Reserves are areas demarcated especially for the protection of wildlife.
Advantages of Protected Areas
- Scientific benefit: Studying undisturbed ecosystems reveals baseline ecosystem behaviour — allowing measurement of human-caused damage by comparison.
- Watershed protection: Watershed forests protect stream flow and avoid siltation of reservoirs; protected estuaries guarantee marine life production.
- Psychological well-being: Contact with plants and animals in a wild state appears important to human psychological health.
- Aesthetic and recreational value: National parks and wildlife sanctuaries are the world’s most popular tourist destinations.
- Legal clarity: Declared protected status makes it easier to monitor species populations, prevent poaching, and avoid overexploitation.
- Biodiversity baseline: Protected areas serve as reference ecosystems for scientific study of succession, energy flow, and ecological processes.
India’s Protected Area Network (Status)
India’s protected area network grew from just 33 sites in 1952 to 221 by end of December 1980, covering 2–3% of total geographical area and 10% of total forest area. As of the most recent data:
- India has 80+ National Parks and 412+ Wildlife Sanctuaries
- In addition: 17+ Tiger Reserves, Biosphere Reserves, Community Reserves, Conservation Reserves
- Total protected area: over 4% of India’s geographical area
Selected Major National Parks and Sanctuaries in India
| State | National Park / Sanctuary | Important Fauna |
|---|---|---|
| Assam | Kaziranga National Park | Great Indian one-horned rhinoceros, wild buffalo, gaur, swamp deer, elephant, tiger, leopard |
| Assam | Manas Wildlife Sanctuary | Tiger, golden langur, pigmy hog, water monitor |
| Gujarat | Gir National Park | Indian lion, panther, hyaena, chital, neelgai, wild boar, crocodile |
| Jammu & Kashmir | Dachigam Wildlife Sanctuary | Hangul (Kashmir stag), musk deer, Himalayan black bear, brown bear |
| Karnataka | Bandipur National Park | Elephant, gaur, tiger, leopard, chital, sambar, sloth bear |
| Kerala | Periyar Wildlife Sanctuary | Elephant, tiger, leopard, gaur, sambar, sloth bear, wild dog |
| Madhya Pradesh | Kanha National Park | Tiger, leopard, gaur, barasingha (swamp deer), chital, black buck |
| Rajasthan | Ranthambore | Tiger, leopard, jungle cat, sloth bear, sambar, chital |
| Rajasthan | Ghana Bird Sanctuary (Bharatpur) | ~300 species of migratory and resident birds; Siberian crane (winter visitor) |
| Uttar Pradesh | Corbett National Park | Tiger, leopard, elephant, sambar, chital, crocodile, rich bird life |
| West Bengal | Sunderbans Tiger Reserve | Tiger, sambar, chital, wild boar, crocodile |
| West Bengal | Jaldapara Wildlife Sanctuary | Rhinoceros, elephant, tiger, leopard, gaur |
Biosphere Reserves in India (Seven Major)
India’s seven major Biosphere Reserves are: (1) Nilgiri, (2) Gulf of Mannar, (3) Sunderbans, (4) Kaziranga, (5) Manas, (6) Nanda Devi, and (7) Great Nicobar. Biosphere Reserves differ from national parks in that they integrate conservation with sustainable development through zonation — core zone (strictly protected), buffer zone (research and limited use), and transition zone (human settlements and sustainable use).
Project Tiger — A Conservation Success Story
Project Tiger (1973 — Present)
There was a dramatic decline in the world tiger population — from approximately 40,000 at the turn of the 20th century down to just 1,827 in 1972. The main reasons for this collapse were hunting, habitat destruction by deforestation, and taming of rivers for human needs.
A long-term strategy based on principles of genetics and evolution was proposed — named “Project Tiger.” The project aimed not only at increasing tiger numbers but also at giving the tiger the requisite inherent genetic evolutionary resistance to successfully face future environmental pressures. This was the first conservation programme globally to integrate genetic thinking with protected area management.
This centrally-sponsored multimillion dollar project was initiated on April 1, 1973, and was funded by the Worldwide Fund for Nature (WWF).
Objectives of Project Tiger
- Ensuring the maintenance of a viable population of tigers in India for scientific, economic, aesthetic, cultural, and ecological values.
- Preserving for all times areas of biological importance as a national heritage for the benefit, education, and enjoyment of people.
Tiger Population Growth Under Project Tiger
The project concentrated on protecting good tiger habitats by creating sanctuaries and extending existing ones. Under this project, 58 tiger reserves have been set up across India.
By 1990, a total of 4,334 tigers were recorded in these reserves — a remarkable testament to the success of the programme. India’s tiger census (2022) estimated approximately 3,167 tigers — around 75% of the world’s wild tiger population.
India now has 58 Tiger Reserves (as of 2026) across the country. The National Tiger Conservation Authority (NTCA) oversees Tiger Reserve management under the Wildlife Protection Act (Amendment) 2006. Project Tiger was institutionalised under NTCA in 2005. India accounts for the largest share of the global wild tiger population — a conservation success story unmatched globally.
Public Awareness for Environmental Conservation
Environmental conservation ultimately requires that awareness and understanding are deeply rooted in society at all levels. No policy or protected area can succeed without public support, compliance, and active participation. Environmental awareness must progress through the education system and into adult life.
Environmental Education Through the Formal System
| Level | Focus | Objective |
|---|---|---|
| Primary School | Elementary knowledge about environmental issues and problems | Build basic environmental literacy from early childhood |
| Secondary School | Real-life situations of the environment; understanding environmental problems | Connect classroom learning to observed ecological realities |
| Senior Secondary | Management of natural resources | Develop skills to tackle management problems of natural resources |
| College and University | Environmental issues and sustainable development; experimentation and solution-finding | Train the next generation of environmental professionals and policy-makers |
Adult Environmental Education
The aim of adult education should be to create collective action in solving environmental problems. New complex environmental problems require understanding and, hence a new approach to adult education. Key requirements for effective adult education programmes:
- Build capacities in technical, social, and institutional aspects of environmental management at the village level.
- Reorient teachers and instructors with regard to natural resources management.
- Find ways to sustain people’s interest in environmental issues.
- Identify training objectives; determine training practices; match programmes to local demand; identify best modes and methods; ensure financing.
Key content areas for adult environmental literacy education include: maintaining household soak pits; preventing pollution of wells, ponds, and rivers; water conservation techniques; tree plantation; appropriate use of pesticides and fertilisers; biogas plants to minimise fuelwood use; solar energy promotion; locating polluting industries away from residential areas; and waste handling and recycling training.
The participation of rural women is particularly essential. Women spend a great part of their lives managing fuel, fodder, and water for families, and are actively involved in the sustainable use of common resources. Women’s involvement in decision-making for natural resources management constitutes an essential foundation for any effective environmental awareness programme.
Role of Mass Media
Mass media can play a vital role in creating awareness about the environment and conservation of natural resources through its multi-channel regional and network service — talks, interviews, plays, documentaries. The electronic media can identify and bring to public attention forces affecting the natural environment. Media research and planning in environmental protection can accelerate awareness through measuring advertising effectiveness, informing efficient media use, and transmitting conservation-oriented programming.
Institutional Mechanisms for Environmental Awareness in India
- Eco-Clubs / National Green Corps: Over 70,000 eco-clubs set up across India covering ~150 schools per district; young students learn about the environment and participate in field activities.
- Establishment of Greenbelts: Tree plantation along public utilities — roads, railways, canals, and housing complexes — especially under the Van Mahotsava programme (mass tree plantation festival) in July.
- State Transport Campaign: State transport departments propagate environmental awareness messages through slogans and pictures displayed in buses.
- Green Movements: From small local initiatives to major advocacy players; examples include the Chipko Movement, Appiko Movement, Silent Valley Project (Kerala), and Narmada Bachao Andolan — demonstrating how informed public engagement shapes conservation outcomes.
Key Insight — Green Movements and Policy Change
Green movements in India have demonstrated how informed, organised public awareness can shape environmental governance. The Chipko Movement (1973, Uttarakhand) directly led to the Forest Conservation Act 1980. The Silent Valley agitation in Kerala prevented the destruction of one of India’s last untouched tropical rainforests. The Narmada Bachao Andolan forced a global review of World Bank large dam financing policies. These case studies confirm that public awareness, properly channelled, is one of the most powerful conservation tools available.
Major Conservation Movements in India
| Movement / Initiative | Location / Year | Issue | Outcome |
|---|---|---|---|
| Chipko Movement | Uttarakhand, 1973 | Villagers (primarily women) embraced trees to prevent logging by commercial contractors | Influenced Forest Conservation Act 1980; Forest Rights Act 2006; inspired community forest management worldwide |
| Appiko Movement | Karnataka, 1983 | “Appiko” (hug the trees) — modelled on Chipko; opposed commercial logging of Western Ghats forests | Raised awareness about Western Ghats biodiversity; strengthened forest protection in Karnataka |
| Silent Valley Project | Kerala, 1970s–1980s | Proposed hydroelectric project threatened last undisturbed tropical rainforest in India | Project cancelled in 1983; Silent Valley declared National Park in 1985 |
| Narmada Bachao Andolan | Narmada Valley, 1980s–present | Opposition to Sardar Sarovar and other large dams on grounds of submergence, displacement, and ecological damage | Led to World Commission on Dams (2000); forced review of displacement and environmental safeguards; influenced global dam policy |
| Bishnoi Community | Rajasthan (historical) | Bishnoi community has practiced wildlife and tree protection for centuries; the first martyrs of environmental conservation in India | Inspired conservation ethics; legal protection for their forests and wildlife |
| Van Mahotsava | Pan-India, 1950–present | Annual mass tree plantation festival; initiated by K.M. Munshi in 1950 | Millions of trees planted annually; embedded forest consciousness in public culture |
International Framework for Conservation
| Organisation / Convention | Year | Role in Conservation |
|---|---|---|
| IUCN (International Union for Conservation of Natural Resources) | 1948 | World’s largest conservation network; maintains the Red List of Threatened Species; advises on conservation policy globally |
| Survival Service Commission (IUCN appendage) | 1948 | Provides up-to-date information on every species in danger of extinction |
| WWF (World Wildlife Fund, now World Wide Fund for Nature) | 1961 | Raises funds for conservation projects worldwide; affiliated to IUCN; represented in 25 countries; special emphasis on endangered species and habitats |
| UNESCO Man and Biosphere Programme (MAB) | 1971 | Designates Biosphere Reserves — integrating conservation with sustainable development through core/buffer/transition zones |
| CITES (Convention on International Trade in Endangered Species) | 1973 | Controls international trade in endangered species of fauna and flora; India party since 1976; three appendices — I (most endangered), II (potentially threatened), III (protection in at least one country) |
| Convention on Biological Diversity (CBD) | 1992 | First comprehensive global agreement on biodiversity conservation, sustainable use, and equitable sharing of genetic resources; entered into force 1993 |
| Ramsar Convention on Wetlands | 1971 | International treaty for conservation of wetlands of international importance; India has 75+ Ramsar Sites (2023) |
| Kunming-Montreal Global Biodiversity Framework | 2022 | “30×30” target — protect 30% of land and oceans by 2030; reduce harmful subsidies by $500 billion/year; mobilise $30 billion/year for developing countries |


