"Cities and states preparing for possible Zika outbreaks this spring and summer are losing millions of federal dollars that local officials say they were counting on, not only for on-the-ground efforts to track and contain the spread of the mosquito-borne virus but also to respond to other emergencies that threaten public health."

"The situation at Mitsubishi Motors just went from bad to much, much worse. The Japanese automaker admitted Tuesday that it had falsified fuel efficiency tests for the past quarter century, the latest revelation in a scandal that has rocked the company."

"The Senate unveiled a $9.4 billion waterways bill to boost U.S. ports, waterways and clean water infrastructure on Tuesday that also provides emergency assistance to address the drinking water crisis in Flint, Mich., where water from the Flint River corroded the city's pipes, contaminating the water supply with lead."

"A group of Senate Democrats introduced a bill Wendesday to invest in water infrastructure and remove lead from pipes around the country. The bill would pump $7 billion a year into water infrastructure repair work and lead programs through loans, grants and tax credits for states."

"The Senate narrowly defeated a controversial amendment Thursday that would have stripped funding for clean water protections and ensured defeat of a $37.5 billion energy and water spending bill."

"San Francisco today became the first major city in the country to approve legislation requiring solar panels on new buildings."

"Volkswagen AG and U.S. officials have reached a framework deal under which the automaker would offer to buy back almost 500,000 diesel cars that used sophisticated software to evade U.S. emission rules, two people briefed on the matter said on Wednesday."

"Three officials responsible for maintaining safe water in Flint tinkered with evidence, tweaked testing and misled county and federal officials, helping to set in motion the contamination of the city's drinking water with lead, according to criminal charges filed by Michigan's chief law enforcement official Wednesday."

"The Senate on Wednesday passed the first broad energy bill since the George W. Bush administration, a bipartisan measure to better align the nation’s oil, gas and electricity systems with the changing ways that power is produced in the United States."

"More than half of the US population lives amid potentially dangerous air pollution, with national efforts to improve air quality at risk of being reversed, a new report has warned."