National (U.S.)

"2016 marks the centennial of the National Park Service, the mission of which is to preserve 'unimpaired the natural and cultural resources and values of the National Park System for the enjoyment, education, and inspiration of this and future generations. The Park Service cooperates with partners to extend the benefits of natural and cultural resource conservation and outdoor recreation throughout this country and the world.'"

"Outside her apartment, at the height of a midsummer heat wave in Harlem, Caroline Gwynn shared her tips for staying cool without air conditioning."

"Four protesters opposed to federal oil lease sales were arrested Tuesday at the suburban New Orleans building where the leasing agency has offices, an attorney said."

"Growing wildfires stoked by windy, dry conditions have destroyed buildings and forced evacuations in California, Washington, Montana and elsewhere."

"A group of mayors from Canada and the U.S. is trying to challenge a recent decision allowing an American city to draw water from the Great Lakes, arguing that it sets a dangerous precedent."

"One of the top U.S. public health officials on Sunday warned that the mosquito-borne Zika virus could extend its reach across the U.S. Gulf Coast after officials last week confirmed it as active in the popular tourist destination of Miami Beach."

"Tropical Storm Gaston, the seventh tropical storm of the season, is strengthening and is expected to become a hurricane by Wednesday, the U.S. National Hurricane Center (NHC) said on Tuesday."

"CROW RESERVATION, Mont.— Alisara Knaub saw firsthand how contaminated water can upend your life."

"The Green Party presidential candidate has described the flooding in the US state of Louisiana as 'a crisis of climate change'."

"President Barack Obama is making his first visit to flood-ravaged southern Louisiana as he attempts to assure the many thousands who have suffered damage to their homes, schools and businesses that his administration has made their recovery a priority."