The International Iguana Foundation makes grants to promote and enable iguana conservation. Preference will be given to projects that are components of approved species recovery plans; projects that directly contribute to the survival of endangered iguanas and their habitats; and projects that are part of an established conservation program. The Foundation looks for projects that have participation from range-countries and matching funds. Small-tier grants provide up to US$10 thousand over 1 year. Full proposals for small-tier grants in the 2025 cycle are due on 20 September 2025. Find this opportunity
nonprofit orgs
International Development Research Centre — Indigenous Research Leadership
The International Development Research Centre (IDRC) funds up to seven grants of CA$100 thousand each to support 12‑month, knowledge‑sharing projects between Indigenous-led or Indigenous‑supporting organizations in the Global South. Applicants must be legally established non‑profits, public research institutes, universities, or think tanks based in eligible Global South regions (including Asia, Africa, Latin America, the Caribbean, Middle East, North Africa). Applications are accepted until 23 September 2025. Details here
Elsevier Foundation — Chemistry for Climate Action Challenge
The Elsevier Foundation Green and Sustainable Chemistry Challenge is open to individuals and organizations whose projects use green and sustainable chemistry solutions to tackle climate change challenges. The Challenge aims to recognize the pivotal role women play in combating climate change, therefore, projects must take into consideration gender components. The winning projects will receive a prize of €25 thousand each. The Challenge is open to individuals and non-profit organizations. The deadline for submissions is 01 October 2025. Chemistry for Climate Action
Efico Foundation — Support for Coffee Producers
EFICO Foundation supports coffee farmers and their families through training and education programs, sustainable income increase, resilience for climate change, infrastructure support, and natural resource protection. About every 3 years, the Foundation organizes a project initiation round and funds projects that aim to improve the living conditions of coffee producers and their communities. Preference is given to projects having a clear strategy to become self-sustaining and creating a leverage effect. Applicants receive a full application form after contact. Efico Foundation
RELX Group — Environmental Challenge in Water and Sanitation 2025
The RELX Group sponsors the RELX Group Environmental Challenge to recognize projects worldwide that best demonstrate sustainable access to safe water and/or access to improved sanitation. The challenge is open to individuals and organizations (profit and non-profit). Projects must advance sustainable access to safe water where it is presently at risk, and/or access to improved sanitation. The first prize is US$50 thousand; second prize is US$25 thousand. The submission deadline is 27 July 2025. About the RELX Group Environmental Challenge
Lipman Family Prize — Funding for Social Change
Each year, the Lipman Family Prize awards cash to three social impact organizations – US$250 thousand for the winning organization and US$125 thousand for each of the two other honorees. The award recognizes and amplifies the work of organizations devoted to positive social impact and creating sustainable solutions to significant social and economic challenges. Past winners include projects in the field of improved sanitation, energy innovations, and micro-forestry. Eligibility extends to organizations from all around the world addressing social and economic issues. Applications close on 31 July 2025. Find details
Critical Ecosystem Partnership Fund — Biodiversity Conservation in the Mediterranean Basin
The Critical Ecosystem Partnership Fund (CEPF) invites Letters of Inquiry (LOIs) for small grants (up to US$40 thousand) for projects that support the sustainable management of water catchments through integrated approaches for the conservation of threatened freshwater biodiversity in the Mediterranean Basin. Eligibility extends to non-governmental organizations, community groups, universities and private enterprises. The ecosystem profile technical summary is available in English, French, and Arabic. LOIs must be submitted by 01 August 2025. Click here
Climate and Clean Air Coalition — Food & Nutrition Challenge
The Climate and Clean Air Coalition (CCAC) invites innovative, cross‑sector projects to reduce food loss and waste linked to methane and black carbon emissions while tackling malnutrition. Participants may include governments, NGOs, private sector entities, research institutions, and community organizations worldwide. Selected initiatives can receive funding, alongside technical support and alliance-building opportunities. The application deadline is 06 August 2025. CCAC Food & Nutrition Challenge
Weeden Foundation — Protecting Biodiversity in Chile and Russia
The Weeden Foundation makes grants for biodiversity conservation in forest ecosystems, riparian corridors, and riverine and aquatic environments of ecological importance. Weeden’s international priorities are the Patagonia region of Chile and the Altai Republic of Russia. The average grant size is between US$15 and US$20 thousand. The Foundation requests letters of inquiry (LOI) at least one month before proposal deadlines. The next deadline for applications (English, Spanish) is 29 August 2025. Know more
Amphibian Survival Alliance — Partnerships for Amphibian Conservation
The Amphibian Survival Alliance (ASA) makes grants to evidence-based conservation projects that address key threats to amphibians and raise awareness. AArk Program Grants are intended to support conservation projects for amphibian species that cannot currently be saved in the wild, with a primary focus on ex situ actions, and in partnership with appropriate field activities. Funded programs will receive up to US$7,000 in the first year. Additional funds will be available for year 2 (up to US$5,000) and year 3 (up to US$3,000). Interested organizations must submit project outlines before the deadline on 31 August 2025. Link to AArk Program Grants