"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."

"For Native American tribes, water more than sustains—it is a sacred, living thing to be revered and protected. It is their cultural touchstone. Yet tribes across the United States face water pollution problems that make their members sick, taint their traditions and epitomize the weight of modernity squeezing spiritual connections to a breaking point."

"Every time Dean Finnerty sees the locked neon-yellow gate and "No Trespassing" sign deep in Oregon's Elliott State Forest, he bristles at the growing movement to transfer federally owned land to U.S. states."

"This year, carbon dioxide emissions from natural gas associated with the energy sector will exceed those from coal for the first time since 1972, according to the U.S. Energy Information Administration."

"Dozens of law professors banded together this week to assail a federal court's recent decision striking down the Obama administration's hydraulic fracturing rule."