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The Papal Encyclical calls all of us to protect life and the planet! Write a Letter to the Editor and stand in solidarity with the Pope's call for climate action.

Nuclear Famine: Two Billion People at Risk?

In "Nuclear Famine: Two Billion People at Risk?" researchers report that the climatic effects of a "limited" nuclear war between Pakistan and India would cut crop production worldwide, putting up to 2 billion people at risk of starvation.

In response to the profound threat of any use of nuclear weapons, momentum is building around the world for a treaty eliminating them. President Obama’s actions should match his words in support of a nuclear weapons-free world. Sign the PSR online petition calling for the US to support a treaty banning nuclear weapons.

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