"Interior Department officials are committed to "rebuilding" the North Rim of Grand Canyon National Park that's been partially overrun by a lightning-ignited fire that claimed the historic Grand Canyon Lodge, dozens of guest cabins, and concessionaire facilities."

"As heat grips Illinois this summer, one group is more vulnerable to extreme heat than any other: Those incarcerated inside the state’s decaying prisons and jails."

"The Brazilian city of Belém, host to the 30th U.N. Climate Change Conference, is short on hotel rooms. Love motels are offering a solution." 

"In a rugged patch of the Appalachian Trail in eastern Tennessee, volunteers size up a massive, gnarled tree lying on its side. Its tangled web of roots and dark brown soil, known as a root ball, is roughly the size of a large kiddie pool."

"The Trump administration has unveiled plans to speed the development of the highly polluting artificial intelligence sector, sparking outrage from climate advocates. Rolled out on Wednesday, the 28-page scheme pledges to remove so-called “bureaucratic red tape” and streamline permitting for datacenters, semiconductor manufacturing facilities and fossil fuel infrastructure."

"Will the administration’s ongoing push to open federal lands for housing development face the same public backlash that Sen. Mike Lee triggered?" 

"There has been evidence for a few years that levels in the Great Lakes and St. Lawrence were higher than the national average, but not high enough to cause immediate alarm. But what is considered safe is evolving, as research increasingly links forever chemicals to an array of potential health risks, such as cancer and reproductive issues."

"More than 50 years after the Safe Drinking Water Act was passed to ensure that Americans’ water is free from harmful bacteria, lead and other dangerous substances, millions of people living in mobile home parks can’t always count on those basic protections."

"The United States and Mexico have signed an agreement outlining specific steps and a new timetable to clean up the longstanding problem of the Tijuana River pouring sewage across the border and polluting California beaches, officials from both countries announced Thursday."

"The first-in-the-nation regulation, passed last year, will cut NOx emissions from more than 1 million boilers and water heaters in the smoggy Los Angeles area."