‘Absolutely No Doubt’ That Climate Intensified Current Drought
Severe drought choked much of the Northern Hemisphere this summer, from China to Europe to the western United States. Scientists say climate change is at least partly to blame.
Related Knowledge Center: Climate science
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.