News
Are California's storms normal, or is climate change making them worse? What experts say.
California faces a “parade of storms” over the next several weeks, on top of recent deluges that have killed at least 12 people, caused flooding, knocked out power and forced evacuations and school closures up and down the coast.
Related Knowledge Center: Climate science
State of Play
What began as a theory in the 1890s — that industrial emissions of carbon dioxide could increase global temperatures — had progressed to a scientific fact a century later. Scientists across a range of disciplines are studying the impact of the still-growing concentration of carbon dioxide and other so-called “greenhouse gases” in the atmosphere as they call for industrial and governmental policies to slow, then halt, the warming of the planet.