We Must Prevent

What We Cannot Cure

Guided by the values and expertise of medicine and public health, we work to protect human life from the gravest threats to health and survival.


nuclear weapons are on high alert

Nuclear Weapons Abolition

PSR's Nuclear Weapons Abolition Program amplifies the health professional voice to increase and broaden grassroots support for nuclear weapons abolition.


years left to avert the worst effects of climate change, according to the IPCC

Environment & Health

PSR's Environment and Health Program amplifies the voices of health professionals to advocate for strong action to avert catastrophic climate change and promote clean, healthy, safe energy.

Recent News

Scientists and experts warn us humanity is closer to ‘doomsday’ than ever before 

On January 24, 2023, the Bulletin of the Atomic Scientists unveiled the new setting of their Doomsday Clock, moving the Clock to 90 seconds to midnight, the closest we have ever been to midnight, or, ‘doomsday.’

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Tell EPA to Protect us from Methane Leaks from Oil and Gas Wells

Tell the EPA that we need stronger regulations on leaking methane, one of the key drivers of climate change. 

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PSR Statement on the 2023 Doomsday Clock Announcement

This announcement by the Bulletin of the Atomic Scientists moving the Clock closer to midnight reminds us that we cannot prepare for nuclear war, we must prevent it.

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A Message from Our Executive Director

PSR today announced that Jeff Carter, who has led the organization as its Executive Director since 2017, will step down later this year.

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We Need Your Help

PSR advocates on the issues you care about by addressing the dangers that threaten communities, using our medical and public health expertise to prevent nuclear war and proliferation, reverse our trajectory towards climate change, protect the public from the harms of fracking and expand clean, renewable energy.

Featured Report

Fracking with "Forever Chemicals" in Ohio

PSR's latest report reveals use of toxic PFAS chemicals in Ohio oil and gas wells. Read what happened, and what states can do to prevent use of these "forever" chemicals.


GBPSR February Monthly Meeting

February 6 @ 7:00 pm EST

Greater Boston PSR’s monthly meeting – open to all.

Speaker Training (GBPSR)

February 15 @ 7:00 pm - 8:30 pm EST

Hosted by Greater Boston PSR, free and open to anyone who is interested in improving their speaking skills.

Building Electrification Panel: Health and Air Quality

February 22 @ 2:00 pm EST

Speakers Zach Williams of PSR and Ali Lee of Climate Solutions Washington on the strategies and approaches they use to educate various audiences about health and air quality concerns, especially gas stoves and other gas appliances in our homes.

Get Involved

PSR has local chapters throughout the United States. Find your local chapter to see how you can help your community.