News
After Another Year of Record-Breaking Heat, a Heightened Focus on Public Health
With heat deaths surging in Texas, Arizona and across the nation, researchers model a myriad of heat effects on the human body and focus on the disproportionate impacts suffered by the elderly and people of color.
By Victoria St. Martin
He noticed the light-headedness first.
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.