Committee of Concerned Scientists

An international non-profit organization of scientists, physicians, engineers and scholars dedicated to protecting the human rights and scientific freedom of our colleagues around the world.

An independent non-profit organization of scientists, physicians, engineers and scholars dedicated to protecting the human rights and scientific freedom of our colleagues around the world.

Our Work

Political Science Researcher in Egypt Arrested for Unclear Reasons at the Cairo Airport

Amgad Gabbas, a political science researcher based in Egypt, was arrested at the Cairo Airport upon returning to the country in May 2022, after being on holiday. He is being held in prison without any charges being declared. CCS is concerned that this arrest is part of a recurring pattern of arresting people perceived to be dissidents at this ... Continue Reading>>

Ukraine’s mounting death toll includes a growing number of researchers

On 31 March, Andriy Kravchenko savored a triumph long in the making. That day, his team delivered to a hospital in Kyiv, Ukraine, the first batch of something the chemist had spent years developing for battlefield use: a topical coagulant that stanches bleeding until a doctor can reach an injured soldier. “I admired his purposefulness and perseverance,” says Mariia Galaburda, a senior researcher ... Continue Reading>>

Colin Harvey, Professor of Human Rights Law at Queens University Belfast, is facing an online smear campaign and physical threats

Colin Harvey, Professor of Human Rights Law at Queens University Belfast, is facing an online smear campaign from politicians, journalists and social media claiming that he is part of the far right. His physical safety is threatened. This appears to be retaliation for his academic work examining the status of Northern Ireland in light of ... Continue Reading>>

An open letter to the Physics community from physicists of Russian descent.

On Feb. 24, 2022, the Russian government started a criminal war against its peaceful neighbor, Ukraine, that has resulted in countless innocent lives lost. We  express our unequivocal opposition to this war and demand  immediate and complete  removal of Russian troops from the sovereign Ukrainian territory. We also demand bringing those responsible for the aggression to the International Criminal ... Continue Reading>>

Prominent Russian human rights defender Boris Altshuler, assistant of Andrei Sakharov, appeals to the leadership of Russian Federation to stop the war with Ukraine.

Please stop the humanitarian catastrophe. Ceasefire as a precondition for successful peace talks. The right to life is among the fundamental human rights. The 10-day-long special operation of the Russian army in Ukraine led to the violation of this right on a massive scale. Russian and Ukrainian servicemen are dying, civilians are dying, including children, hospitals are overflowed with the ... Continue Reading>>

An open letter from Russian scientists and science journalists against the war with Ukraine

We, Russian scientists and scientific journalists, declare our strong protest of the hostilities launched by the armed forces of our country against the territory of Ukraine. This fatal step has led to huge human losses and undermined the foundations of the established system of international security. The responsibility for unleashing this new war in Europe lies entirely with Russia. There is no ... Continue Reading>>

Committee of Concerned Scientists

Public Affairs and Administrative Office
Carol Valoris, Executive Director
PO Box 3708 Silver Spring, MD  20918
Phone: (202) 812-8074
carolvaloris@concernedscientists.org