"The drought that has taken hold in the Northeast is especially felt at John Lavoie's farm in Hollis, presenting him with some tough choices. Irrigation ponds are drying up, forcing him to choose between tomatoes and berries or apple and peach trees."

"HUGO, Colo. — Officials told residents of a small Colorado town not to shower or drink tap water Thursday because wells have been contaminated with marijuana's intoxicating chemical."

"California agencies released a three-year plan to bring delta smelt back from the brink of extinction, but some of the goals and the overall feasibility of the plan have been questioned."

"The U.S. Navy confirmed Tuesday that ship shock trials with 10,000 pounds of explosives were conducted on Saturday and earlier in June, on the same dates as earthquake reports in the Atlantic Ocean off the Florida coast."

"It’s no news that Greenland is in serious trouble — but now, new research has helped quantify just how bad its problems are. A satellite study, published last week in the journal Geophysical Research Letters, suggests that the Greenland ice sheet lost a whopping 1 trillion tons of ice between the years 2011 and 2014 alone."

"The enormous algae outbreak that has coated swaths of Florida's St. Lucie River with guacamole-like sludge is a man-made affliction, arising from political and economic decisions made over the past 140 years."

The U.S. EPA is facing off with Minnesota's Pollution Control Agency over exempting taconite mining operations from clean-water rules meant to protect wild rice.

"The [Canadian] federal government has quietly approved the use of a highly controversial chemical for dispersing ocean oil spills, despite growing scientific evidence it doesn’t always work as claimed and even intensifies the toxicity of oil."

"A wetland in southeast Iraq, thought to be the biblical Garden of Eden and almost completely drained during Saddam Hussein's rule, has become a UNESCO world heritage site, Iraqi authorities said on Sunday."

"A federal appeals court ruled on Friday that the US Navy was wrongly allowed to use sonar in the nation’s oceans that could harm whales and other marine life."