Climate change is forcing many of Mongolia's nomadic herders to abandon their traditional lifestyle and move to Ulaanbaatar. That's making a big smog problem in the city even worse.
Generations of residents of Black Mesa, Arizona, have blamed a nearby coal mine for changes to their land. Now it’s likely to close.
The Navajo Generating Station is a big polluter. But it’s also a good job on the reservation, which keeps workers close to home.
Navajo President Russell Begaye says Trump "has not lifted a finger" to help save a major coal-fired power plant on the Navajo reservation.
The country was in mourning after the deadliest such disaster in its recent history, with many victims burnt as they were trapped in their cars around the epicenter in Pedrogao Grande.
When Maytag closed its doors in 2007, it was a rough transition for Newton, Iowa. But a decade later, unemployment sits below 4 percent.
Cleveland ranks among the nation's top cities with the most preventable deaths related to air quality issues. Things are getting worse with climate change. Doctors and environmentalists see climate change as a public health crisis and an opportunity.
In 2014, the US and China together paved the road to Paris. Now the EU's taking America's place.
President Trump thought pulling out of the Paris climate accord would make other countries stop laughing at America. It didn't work.
The president says the 2015 Paris climate agreement "fails to serve America's interests." But it was written specifically to address US demands.