"Federal officials are warning that some blood tests may have 'significantly” underestimated lead levels, and they are urging the retesting of some children, as well as pregnant and breast-feeding women."

"New changes to EPA, Interior Department advisory groups could restrict or paralyze them, critics say".

"Some of the most compelling evidence linking a widely used pesticide to developmental problems in children stems from what scientists call a 'natural' experiment."

"Lawyers and scientists do not always get along, but some are now finding common cause in an effort to defend the integrity of science — especially climate science — in government and academia."

"Nearly four months into his administration, President Trump has yet to name the next leader of the National Oceanic and Atmospheric Administration. But several individuals in the weather community say Barry Myers, chief executive of AccuWeather in State College, Pa., is the leading candidate."

"In an expanding controversy over the role of science in the Trump administration, two expert advisers to the Environmental Protection Agency resigned Friday in protest at the dismissal of half of the members of a key science committee."

"The USDA’s research section studies everything from climate change to nutrition. Under the 2008 Farm Bill, its leader is supposed to serve as the agency’s 'chief scientist' and be chosen 'from among distinguished scientists with specialized or significant experience in agricultural research, education, and economics.' But Sam Clovis — who, according to sources with knowledge of the appointment and members of the agriculture trade press, is President Trump’s pick to oversee the section — appears to have no such credentials."

"The Trump administration has removed or tucked away a wide variety of information that until recently was provided to the public, limiting access, for instance, to disclosures about workplace violations, energy efficiency, and animal welfare abuses."

"ANN ARBOR, Mich. — Dozens of new cars and trucks go into surgery each day on the quiet green campus here in the heart of auto country. Engineers expose their guts, hook them up to big computers with wires and tubes, and pretend to drive them on massive treadmills in an effort to ensure new vehicles don't emit harmful pollution."

"Emissions from thawing permafrost are now outpacing the uptake of carbon dioxide during the growing season, a new study suggests".