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October 19, 2022

Brazil
Deforestation in the Amazon

The Amazon rainforest absorbs more greenhouse gases than any other tropical forest. But in Brazil, deforestation has claimed nearly a fifth of its tree cover, which threatens biodiversity and contrib…

Deforestation in the Amazon InfoGuide

September 3, 2019

Treaties and Agreements
See How Much You Know About Treaties and Peace Agreements

Test your knowledge of major treaties and peace agreements, including the Peace of Westphalia and the Treaty of Versailles.

Israeli Prime Minister Menachem Begin shakes hands with Egyptian President Anwar Sadat at the start of a trilateral meeting with U.S. President Jimmy Carter in 1978.

March 5, 2019

Nuclear Weapons
See How Much You Know About Nuclear Arms Control and Nonproliferation

Test your knowledge of nuclear arms control and nonproliferation, from international treaties to diplomatic forums.

A mushroom cloud rises with ships below during the Operation Crossroads nuclear weapons test on Bikini Atoll, Marshall Islands.

February 5, 2019

Brazil
See How Much You Know About Deforestation

Test your knowledge of deforestation, from its role in climate change to efforts to combat it.

Depleted Brazilian Amazon