"Nearly every part of the United States will face a significant increase in extremely hot days by mid-century, even if some action is taken to reduce greenhouse emissions, a new study says. If nothing is done to rein in climate change, it warns, the impact will be worse."

"Scientists and Democratic lawmakers during a hearing Tuesday raised concerns over the Environmental Protection Agency (EPA) over actions by the Trump administration they say are having a negative impact on science boards."

"The Trump administration appears to have abandoned its initial strategy for defending the rollback of Obama-era clean car rules from court challenges, according to three people with knowledge of the situation."

"Last week, Sen. Mazie K. Hirono (D-Hawai‘i) and 21 of her US Senate colleagues sent a letter to Dr. James Reilly, the director of the U.S. Geological Survey (USGS), to express their concern over recent reports that USGS will only utilize climate models that project the effects of climate change through 2040."

"The Trump administration is heading to the Supreme Court to fight an environmental lawsuit that halted construction of several border wall projects."

"Scientists hope the massive telescope they plan to build atop Hawaii’s highest peak, a world-renowned location for astronomy, will help them peer back to the time just after the Big Bang and answer fundamental questions about the universe."

"New research shows that the extreme weather and fires of recent years, similar to the flooding that has struck Louisiana and the Midwest, may be making Americans sick in ways researchers are only beginning to understand."

"A federal judge on Monday slashed a damages award Bayer AG owed a California man who blamed Roundup weed killer for his cancer, to $25.27 million from $80.27 million, while rejecting the company’s bid for a new trial."

"Some of the Democrats running for president are urging the U.S. central bank to actively confront climate risks to protect the nation's financial system. "

"A few of the Democrats running for president have started warning about climate change in a way that voters rarely think about yet can profoundly affect their lives. To sum it up: If you think the housing crisis was bad, wait until you see how the climate crisis plays out for financial markets.

"A Trump administration decision to move researchers from the U.S. Department of Agriculture (USDA) to the Kansas City area is threatening to spark the flight of more than half of the staff selected to move, gutting the agency of its top scientific voices."