"Britain’s departure from the EU will force broad changes to the bloc’s energy and climate policies, and remove a crucial ally for Central Europeans — but it will also give London far more freedom to pursue nuclear projects."

"The ocean contains a vast number of living things, including many, many pathogens — from bacteria that thrive on coral to fungi that infect lobsters. A drop of seawater may hold 10 million viruses. Recently, a team of scientists revealed a frightening member of this menagerie: free-floating cancer cells that cause contagious tumors in shellfish."

"Emergency financing to fight the mosquito-borne Zika virus appeared likely to be delayed until after Congress returns from its Fourth of July recess, as Democrats on Wednesday sharply criticized a new Republican proposal to provide $1.1 billion, but with $750 million redirected from other federal programs."

"In some U.S. cities, at least one in seven kids have unsafe levels of lead in their blood, indicating exposure to a toxic metal that can lead to lifelong physical, mental and behavioral health problems, a recent study suggests."

"The US Food and Drug Administration on Monday approved the first human trial of an experimental Zika vaccine, according to a joint announcement by the two companies behind the new therapy."

"In the month since Chicago Public Schools started testing water in schools for toxic lead, results have shown elevated levels in more than two dozen buildings with hundreds of schools still to be tested."

"The head of the Environmental Protection Agency is urging officials in Michigan to address 'systemic issues' that could prevent Flint from providing clean, safe drinking water to the city’s residents over the long term."

"The number of women infected with the Zika virus during their pregnancies in the continental United States has risen to 234, health officials said on Thursday."

"Pregnant women who become infected with the Zika virus are at risk of having babies with the severe birth defect known as microcephaly, regardless of whether they have symptoms of the disease, according to a new report."

"A water testing company that worked with Range Resources to evaluate whether or not residential water supplies were contaminated is defending itself against a lawsuit that claims the company allowed the gas driller to alter a print out of the test results, which Range then submitted to the Department of Environmental Protection. The DEP used the altered results, in part, to conclude that the Washington County residents’ drinking water was safe...."