California is moving to require that the state gets 100 percent of its electricity from carbon-free sources—such as wind, solar, and nuclear power—by 2045.
New research finds just one season of drought can reduce the carbon dioxide absorption ability of the world's biggest rainforest—the Amazon—for years to come.
But scientists are having a hard time illustrating these problems as shifting baselines continue to redefine what is considered normal for reef health.