Fires continue to rage in Alberta, Canada, threatening neighboring provinces. NPR's Melissa Block speaks with CBC reporter Evan Dyer about the continuing crisis.
As more people bike, cities are working on ways to keep them safe alongside cars. Now, transportation planners are turning to data from apps that cyclists and runners use to track themselves.
Scientists drilling beneath the Gulf of Mexico have hit the layer deposited when an asteroid the size of Staten Island, N.Y., hit Earth. Samples might contain details from that fateful day.
David Greene visits Glacier National Park in Montana to explore the extent to which concerns involving climate change may inform Montanans' view of the presidential election.
Economists are working on ways to put a price on the environmental damage of growing food. Take sugar: Half of what we eat comes from beets, half from cane. Each has an impact, in very different ways.
The president told an energetic audience he "will not rest" until the city's water is safe to drink. A federal state of emergency has been declared as a result of lead leaching into Flint's water.