"Communities across the country are preparing for the arrival of the Zika virus, but they aren’t preparing equally."

"Every year, half a million babies die before they are one-month-old due to a lack of clean water and safe sanitation in hospitals".

"First update in 40 years to key law regulating chemicals in the US greeted with cautious optimism."

"Federal officials said on Thursday it is safe for anyone to drink properly filtered water in Flint, Michigan, where a public health crisis erupted after residents were exposed to dangerously high levels of lead."

"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."