Physicians for Social Responsibility works to protect human life from the gravest threats to human health and survival.

PSR's strategy for achieving its mission is to educate and activate the medical and broader health community, and the public, through research, analysis, collaboration, and targeted communications and to advocate for government and societal change at the local, state, national and international level.

Physicians For Social Responsibility Inc

Founders Pledge is a global nonprofit empowering entrepreneurs to do the most good possible with their charitable giving. 

We equip members with everything needed to maximize their impact, from evidence-led research and advice on the world’s most pressing problems, to comprehensive infrastructure for global grant-making, alongside opportunities to learn and connect. We’re grateful to be funded by our members and other generous donors. 

Founders Pledge

Nonpartisan nonprofit dedicated to empowering people with voting methods that strengthen democracy.

Founded in 2011, The Center for Election Science is a national, nonpartisan nonprofit dedicated to helping the world use better election systems. We study and advance alternative voting methods, with an emphasis on a method called approval voting. We’re passionate about voting methods because the collective decisions we make through voting dramatically impact our day-to-day lives. Smarter collective decisions, whether in government or in private organizations, promise to provide us all with a better quality of life.

The Center for Election Science

The Top Charities Fund supports the highest-priority funding needs among our top charities.

We find and recommend outstanding giving opportunities and publish our research to help donors give more effectively and with greater confidence.

All donations here support our Top Charities Fund. Donations to the Top Charities Fund are granted on a rolling basis to support cost-effective funding opportunities at our top charities. We use our latest research to grant the funds to the top charity (or charities) where we believe they’ll do the most good.

Learn more and view past grants at https://www.givewell.org/top-charities-fund


Photo caption: At health centers in Sierra Leone supported by Helen Keller Intl, mothers who bring their children in for twice-yearly vitamin A supplemention can also receive comprehensive counseling about birth control options that are available to them free of charge. Combining family planning and children's healthcare services benefits both mother and child. 2019.

Top Charities Fund

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

We search for the charities that save or improve lives the most per dollar.

Our goal is to produce the world's top research on where to give. Free, for everyone.

We recommend a small number of charities that do an incredible amount of good. 

If you would like to donate to our giving funds or individual top charities, please see our projects below. You can donate here or on the Unrestricted Fund page below to make an unrestricted gift to GiveWell to support the full spectrum of our grantmaking and underwrite our ability to continue doing what we do.