Climate Solutions
Climate change isn't just a future threat, it's here now. Global temperatures are rising, extreme weather events are intensifying, and air pollution claims millions of lives each year.
The cause
Nearly a billion people live in energy poverty, relying on inefficient, polluting fuels. Meanwhile, ecosystems and biodiversity are under massive threat, with one million species at risk of extinction due to habitat loss. Vetted charities in this fund are delivering science-backed solutions: transforming energy systems, and reducing emissions at scale.
The Climate Solutions Fund supports the top organisations accelerating the transition to a greener future.
Climate Solutions Fundraising Resources
Examples are illustrative, not exhaustive. High Impact Athletes retains discretion to allocate funds within each cause-area portfolio, guided by impact, independent advisors and current evidence.
Impact metrics are based on cost-effectiveness data from external researchers.
Please note that HIA does not evaluate individual charities. Our causes and portfolios are based on the research of third-party, impact-focused evaluators and advisors our team has found to be particularly well-suited to help donors do the most good per dollar, according to their recent investigations.
Hear from the experts:
1 / 3Why the Climate Solutions FundDan Stein, Giving Green
2 / 3Sport on a hotter planetDan Stein, Giving Green
3 / 3The success story: solar and batteriesDan Stein, Giving Green
Your support provides:
$1,000 raised for the fund mitigates approximately 600 tonnes of CO₂e through innovative solutions when split across the fund's charities. This fund supports a dynamic range of interventions, including but not limited to the following:
- Support Opportunity Green by providing economic and policy guidance to key decision makers — verified by Giving Green
- Advance next-gen energy technologies like geothermal through Project InnerSpace and Future Cleantech Architects — both verified by Giving Green
- Drive pragmatic, science-backed climate action through the Clean Air Task Force's systems-level advocacy — verified by Giving Green
Not all charities are created equal
Most giving, however well-intentioned, delivers a fraction of the impact it could. We back only the most effective organisations on earth, vetted by the world's most stringent evaluators.
- 01Pick a causeOr let our Maximum Good Portfolio decide for you.
- 02Choose how you giveDonate, fundraise, run an athlete campaign, or take the % pledge.
- 03We route your giftCharities vetted by the world's leading researchers.
- 04Every dollar is tracked.See what your giving did, and who it helped.
$1,000 to Climate Solutions
600 tonnes of CO₂e mitigated
1 dot = 1 tonne of CO₂e mitigated
Best guess estimates from HIA's impact data. Last reviewed October 2026.