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Centre for Science and Environment

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An Indian not-for-profit public-interest research and advocacy organisation focused on environmental and development policy.

Last updated August 22, 2026

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Overview

The Centre for Science and Environment (CSE) is a New Delhi-based Indian not-for-profit organisation that combines environmental research, public-interest advocacy, policy analysis and public communication. Established in 1980, it operates as a think tank on the relationship between environmental protection and development, with particular attention to the effects of weak planning, inadequate implementation and environmentally damaging growth patterns. CSE's work addresses issues including air and water pollution, climate change, public health, food and consumer-product safety, resource management and the environmental consequences of development. Its approach is generally evidence-led and policy-oriented: the organisation investigates environmental conditions, communicates findings to the public and advocates changes in government policy and enforcement. It has also highlighted the gap that can exist between formally adopted environmental rules and their implementation in practice. The organisation became especially prominent in India through research into pesticide residues in soft drinks sold by major international beverage companies. That work generated substantial public and regulatory debate over food and beverage safety and helped establish CSE as a prominent consumer and environmental watchdog. Its broader programme has included investigations into food adulteration and consumer-product safety, alongside research on urban environmental management, pollution and climate-related risks. CSE has also drawn attention to the vulnerability of ecologically sensitive regions, including the Sundarbans, where climate shifts and development pressures pose serious risks. Its public-interest orientation places environmental issues within a wider social and developmental context, including the consequences of pollution and poor planning for vulnerable communities. The organisation is associated with environmental journalism and public education, including the publication Down To Earth and the children's environmental magazine Gobar Times. These communication activities complement its research and advocacy by translating technical and policy questions into material for wider audiences. CSE's work is primarily focused on India, although the environmental issues it addresses—climate change, pollution, public health and sustainable development—have international relevance. Sunita Narain is identified as the organisation's director and has been a leading public representative of CSE. In 2018, the Centre for Science and Environment received the Indira Gandhi Prize for Peace, Disarmament and Development, recognising its contribution to public-interest environmental and development work. CSE remains an active independent research and advocacy organisation rather than a commercial product brand or listed company.

History

The Centre for Science and Environment was established in 1980 in India as a not-for-profit public-interest organisation concerned with the environmental consequences of development. From its base in New Delhi, it developed a role that combines research, advocacy and public communication rather than operating as a conventional commercial enterprise. Its central concern has been the relationship between environmental degradation, public policy and the social consequences of development. CSE's work has covered pollution, public health, food and consumer-product safety, climate change, urban and rural environmental pressures and the implementation of environmental regulation. A recurring feature of its approach is the examination of the difference between policies on paper and their enforcement in practice. The organisation has used research and public communication to press for stronger standards, better planning and more accountable implementation. One of CSE's most prominent interventions involved testing soft drinks sold by major American beverage companies and reporting high levels of pesticide residues. The findings produced a major public controversy and placed questions about beverage safety, regulatory standards and consumer protection before Indian policymakers and the public. The episode helped establish CSE's profile as an environmental and consumer watchdog, while also broadening debate about the responsibilities of manufacturers and regulators. The organisation's research has also addressed food adulteration and other consumer-product safety questions. Beyond individual investigations, CSE has examined wider environmental problems, including pollution and the effects of climate shifts on vulnerable ecosystems. Its work on the Sundarbans has highlighted how climate-related changes and poor planning can intensify risks for environmentally sensitive regions and the communities that depend on them. Public education and journalism form an important part of CSE's model. The organisation is associated with Down To Earth, an environmental publication, and Gobar Times, a magazine aimed at younger readers. These outlets help communicate research and environmental issues beyond specialist policy circles. Through publications, campaigns and advocacy, CSE has sought to connect technical evidence with everyday concerns such as health, air and water quality, food safety and the quality of urban planning. Sunita Narain is identified as the centre's director and has served as a prominent public representative of the organisation. Under her leadership, CSE became particularly known for combining scientific analysis with assertive policy advocacy. In 2018, the organisation received the Indira Gandhi Prize for Peace, Disarmament and Development. The award reflected its standing in Indian public life as an institution working at the intersection of environmental protection, development policy and public accountability. CSE remains an active Indian environmental research and advocacy organisation. Its primary operating context is India, although its themes—climate risk, pollution control, consumer safety and sustainable development—are relevant to environmental policy internationally.

  • 2018

    Indira Gandhi Prize awarded

    [1]

    CSE received the Indira Gandhi Prize for Peace, Disarmament and Development in recognition of its public-interest environmental and development work.

  • 1980

    Organisation established

    [1]

    The Centre for Science and Environment was established as an Indian not-for-profit public-interest research and advocacy organisation.

Products and positioning

An independent Indian environmental and development think tank that combines scientific investigation, public-interest advocacy, consumer awareness and policy communication.

  • Research and advocacy

    Environmental research and policy analysis

    CSE conducts research on environmental and development issues, including pollution, climate-related risks, public health, food safety and the implementation of environmental policies. Its research is intended to support public debate and policy change rather than commercial product sales.

  • Environmental journalism

    Down To Earth

    Down To Earth is an environmental journalism and public-communication outlet associated with CSE. It provides a channel for communicating environmental research, policy issues and development debates to a broader readership.

  • Environmental education

    Gobar Times

    Gobar Times is an environmental education publication associated with CSE and aimed at younger audiences. It supports public learning and awareness around environmental issues.

Controversies

  • Pesticide-residue controversy involving soft drinks

    CSE's publication of research reporting high pesticide levels in soft drinks from Coca-Cola, Pepsi and other American brands prompted a major public controversy. The issue concerned the reported safety of the products and the adequacy of regulatory standards and testing.

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Marketing campaigns

  • Soft-drink pesticide-residue investigation

    India

    CSE investigated pesticide residues in soft drinks sold by major American beverage brands and publicised findings that it described as high. The intervention connected environmental research with consumer safety and regulatory advocacy.

    Outcome. The findings generated substantial public debate about beverage safety, standards and regulatory oversight.

Brand decisions

  • Publicise soft-drink pesticide findingsOther

    Background

    CSE investigated consumer products as part of its public-interest work on food adulteration and product safety.

    Action taken

    The organisation released and advocated around findings concerning pesticide residues in soft drinks sold by major American beverage companies.

    Aftermath

    The findings intensified public discussion of beverage safety, consumer protection and regulatory implementation in India.

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