Our research-based matching system motivates people to donate to highly effective charities at GivingMultiplier.org.

**[Giving Multiplier](https://givingmultiplier.org)** is a research project created at Harvard University that matches donations to any charity of your choice and promotes the world's most effective charities.

*Resources to get involved:*

- [Make a donation that gets matched](https://givingmultiplier.org)
- [Become a matching funder](http://givingmultiplier.org/matching) (Donations made on this page will also go toward our matching system.)
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- [Learn about our philosophy](https://givingmultiplier.org/philosophy)
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Giving Multiplier

Movement of Americans working together to end gun violence and build safer communities.

Everytown is a movement of Americans working together to end gun violence and build safer communities.

Everytown for Gun Safety

Catalyzing resilient solutions, scaled to meet the climate challenge.

CATF is a nonprofit organization dedicated to reducing atmospheric pollution through research, advocacy, and private sector collaboration.

Clean Air Task Force

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We are a nonprofit, so instead of charging fees we rely on the generosity of donors like you.

Choose a donation for Every.org

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