"Lead-contaminated water in the drinking fountains at a U.S. Capitol office building has prompted officials to offer blood testing to lawmakers and staff, according to information provided to congressional offices."

"Severe flooding across central and southern China over the past week has killed almost 130 people, damaged more than 1.9 million hectares of crops and led to direct economic losses of more than 38 billion yuan ($5.70 billion), state media said on Tuesday."

"The success of large-scale solar has raised questions about the wisdom of continuing incentives for rooftop installations, which remain far more expensive than most other forms of electricity."

"Arsenic. Lead. Mercury. Sulfuric Acid. At a closed Duke Energy power plant, at least 10 billion pounds of coal ash containing these toxins and more are sitting on the banks of the Ohio River – a source of drinking water for more than 5 million people."

"Congress is barreling toward a frenetic finish this week that could see action on a genetically modified organisms bill in the Senate and House work on spending legislation before lawmakers leave for a seven-week summer break July 15."

"As recently as two weeks ago, the food industry was preparing to place labels on food products that contain genetically modified ingredients. But if a bi-partisan deal cobbled together last Thursday in the Senate Agriculture Committee gets signed into law, widespread labeling likely won't come to pass."

"A new pollution problem has surfaced in Guanabara Bay, the venue for sailing in the Rio de Janeiro Olympics."

"As mosquito season heats up, bringing with it the threat of the West Nile and Zika viruses, one Long Island town is taking an unorthodox approach: bats."

"Nature wrought the inlet that separates this narrow strip of dunes and brush from Ocean City just to the north, but humans have sought to control the shifting sands ever since."