The COP27 climate conference in Sharm el-Sheikh, Egypt, closes out another year of disasters: record-breaking floods, deadly heat waves, and devastating droughts. The urgency for the world’s leaders to make progress at this conference has never been higher, but many obstacles remain. The Council on Foreign Relations explains the issues and lays out what’s at stake in the world’s fight against climate change.
Climate change is creating many pathways for zoonotic diseases to reach people. Four cases show how the climate crisis is altering disease threats and how the world can respond.
THAILAND: Infectious-disease researchers catch bats to study. Adam Dean/New York Times/Redux
The world is already witnessing the consequences of human-caused climate change, including hotter temperatures, rising sea levels, and more frequent and severe storms. What’s harder to see are climate change’s effects on the spread of disease: on the mosquito that carries a virus, or the pathogenic bacteria on a piece of fruit.