Slovenia's Dalila Jakupovic was trying to make the first round of the tournament set to open next week. She had trouble breathing and later told reporters, "I was really scared that I would collapse."
Carbon emissions from global air travel are rising fast, and U.S. passengers make up the largest share. But some are vowing not to fly at all, motivated by guilt and concern for the environment.
A retiree gives unsolicited climate emergency talks on the New York City subway, frequently receiving applause. Now he wants to teach others how to preach their own messages to a crowd.
More than 250 employees have quit, and others are expected to follow suit before the Sept. 30 deadline for reporting to work in the Kansas City area. Critics of the move say research will suffer.
Mongolia is undergoing a dramatic transformation from a pastoral society to one whose economy is based on mining, especially copper and coal. With the change has come opportunity — and loss.
Winter nights in Ulaanbaatar can drop to minus 20 degrees Fahrenheit. Many residents without electricity burn coal to heat their homes, leading to toxic air and health problems.
Mongolia's herders are accustomed to cold, but the extreme conditions of the country's terrible winters, known as dzuds, killed countless livestock and livelihoods. Herders have had to adapt.
Anesthesia revolutionized surgery by vanquishing patients' pain. But many of the chemicals are greenhouse gases. One Oregon doctor who has done the math says some are much less damaging to the planet.
China has taken dramatic steps to fight climate change, including shutting major coal power plants. But now it plans to build hundreds of coal plants abroad.