"After rebounding in recent decades due to conservation efforts, the number of once-imperiled peregrine falcons in the U.S. has been dropping again in some places due to the bird flu that has decimated other avian populations in recent years."

"The dwindling flow of the Colorado River has alarmed the American West for years, but the water losses happening underground are even worse, according to a new study that uses satellite data to measure groundwater supplies across the Colorado River Basin."

"Advocates are ramping up pressure on the Maryland Public Service Commission to penalize Washington Gas Light Company following a March ruling which found that the company misled millions of customers by claiming methane gas was better for the environment than electricity."

"The Trump administration has followed through on a threat to use emergency wartime powers to force expensive and polluting coal-fired power plants to stay open — even if the utilities that own them, the states in which they operate, and the grid operators responsible for maintaining reliability all agree it’s safe to shut them down."

"A judge has temporarily halted a Trump administration effort to kill New York City’s congestion pricing program, which imposes a significant toll on cars entering part of Manhattan."

"Scientists have learned that another species of fungus found in Europe and Asia causes white-nose disease, which has ravaged bat populations in the United States and Canada." 

"The National Park Service manages 433 units around the country, including many smaller parks aimed at preserving places of historical significance." 

"The Supreme Court on Tuesday rejected a request from some members of the San Carlos Apache Tribe to block a massive proposed copper mine that they say will destroy a holy site in Arizona known as Oak Flat."

The Canadian province of Manitoba has declared a state of emergency over a series of wildfires, and Prime Minister Mark Carney has agreed to send in the military to help. ... The fires have forced 17,000 people across several communities to flee."

"The United Nations is warning countries in northwest Africa to boost monitoring and begin early control measures as swarms of desert locusts move into the region."