Friends of the Earth provided financial and technical support to the Chipko Movement, which aimed to protect forests in the Himalayan region.

The World Wildlife Fund (WWF) played a significant role in raising awareness and providing support for the 'Save Silent Valley' campaign, which aimed to protect the Silent Valley National Park in Kerala.

ActionAid is an international NGO that works to promote sustainable agriculture and food security in India through various programs and initiatives.

International Rivers is an international NGO that works to protect rivers and promote sustainable water management. It has been involved in supporting the 'Clean Ganga' campaign in India.

The Pesticide Action Network (PAN) is an international NGO that works to promote sustainable pest management and reduce the use of harmful pesticides. It played a significant role in the campaign to ban the use of DDT in India.

The World Wildlife Fund (WWF) provided significant financial and technical support for the 'Project Tiger' initiative in India, which aimed to protect tiger populations and their habitats.

350.org is an international NGO that works to address climate change through grassroots organizing and advocacy. It has been involved in various climate change mitigation and adaptation initiatives in India.

The World Wildlife Fund (WWF) played a significant role in supporting the 'Save the Western Ghats' campaign, which aimed to protect the biodiversity and ecological integrity of the Western Ghats region in India.

Oceana is an international NGO that works to protect the world's oceans and marine life. It has been involved in various marine conservation and sustainable fisheries initiatives in India.

The Nature Conservancy is an international NGO that works to protect natural lands and waters. It has supported the 'Green Belt Movement' in India, which aims to plant trees and promote afforestation.

Waste Aid is an international NGO that works to promote sustainable waste management and recycling practices in developing countries. It has been involved in various waste management initiatives in India.

The International Centre for Integrated Mountain Development (ICIMOD) is an international NGO that works to promote sustainable development in the Hindu Kush Himalayan region. It has supported the 'Himalayan Glaciers Initiative' in India.

IUCN (International Union for Conservation of Nature) is an international NGO that works to promote biodiversity conservation and sustainable use of natural resources. It has been involved in various biodiversity conservation initiatives in India.

Clean Air Task Force is an international NGO that works to promote clean air and reduce air pollution. It has supported the 'Clean Air Campaign' in India.

International Renewable Energy Agency (IRENA) is an international NGO that works to promote renewable energy and energy efficiency worldwide. It has been involved in various renewable energy and energy efficiency initiatives in India.