International

"Thanks to state incentives, the long-range, lower-cost electric trucks are affordable. Widespread adoption could help California meet clean-trucking targets."

"Between 2000 and 2020, 42% of tree lines around the world crept upward, largely because of climate change. But 25% moved downhill, seemingly because of factors such as land use changes and wildfires."

"As states seek out much-needed supplies of clean, reliable energy, some are looking to an unconventional source: abandoned oil and gas wells harnessed for geothermal heat."

"The World Health Organization declared a new Ebola outbreak in the Democratic Republic of Congo and Uganda to be a "public health emergency of international concern" on Sunday."

"World Cup matches at open-air venues in North America this summer could be threatened by dangerous heat and humidity, a climate research group says."

"Seasonal models are predicting an El Nino climate pattern that could be the strongest on record, bringing with it more extreme weather."