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Protesters dressed as swamp creatures kayaked down a river while others marched along a bike path, past private tennis courts and swanky swimming pools outside the hotel where governors met with Interior Secretary David Bernhardt.

“My shirt says keep your oily hands off of Colorado's public lands,” says Chelsea Stencel, who was among the protesters. “David Bernhardt, the ultimate swamp monster.”

This year, NPR held its first Student Podcast Challenge — a podcast contest for students in grades 5 through 12. As we listened to the almost 6,000 entries, we smiled, laughed, and even cried. Students opened their lives to us with stories about their families, their schools and communities and their hopes for the future.

Updated at 9:13 p.m. ET

Seventeen of the world's largest automakers have asked the White House and the state of California to restart talks and come up with one set of greenhouse gas standards for cars.

The Trump administration has been pushing to roll back regulations, while California has been holding tight to its tougher rules for auto emissions. The carmakers, meanwhile, call for "common sense compromise."

MOAB — About 40 miles north from the tourist hordes in town and set against a backdrop of tan clay and red mesas, the vista looked primed for a nature magazine cover shoot: early afternoon, the desert bloom in full force, awash with purple and yellow flowers. Quiet.

The Trump administration is responsible for the largest reduction of federally protected land in U.S. history after it shrunk two national monuments in Utah, according to a recent study published in the journal Science.

This time of year in bear country you're more likely to see the animal along the sides of the roads looking for the first shoots of grass. That's a hazard for the bear and for visitors, and wildlife managers resorting to what they call hazing.

Oregon is on track to become the second U.S. state to pass an economywide cap-and-trade system to regulate greenhouse gas emissions. But while emulating the first such program (in California), Oregon also hopes to avoid repeating its mistakes.

Oregon's plan, like California's, would set a cap on greenhouse gas emissions that would come down over time. It would also create a market for companies to buy and trade a limited number of pollution permits. Ultimately, it aims to reduce emissions to 80% below 1990 levels by 2050.