This article was originally published by the Council on Foreign Relations on Aug. 1, 2025. One of the hardest jobs of a policymaker is to weigh trade-offs. Few policies are clean, absolute, and ...

Comparison of habitat protection for European trees and global mammals under two conservation approaches. The bars show the percentage of habitat protected for the species on average, when protecting ...

Global efforts to limit climate change require deep cuts to carbon emissions. However, global emissions are still growing. Currently, we emit roughly 42 billion metric tons of carbon dioxide from ...

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