"President Trump is preparing executive orders aimed at curtailing Obama-era policies on climate and water pollution, according to individuals briefed on the measures."

"Hundreds of scientists put aside their habitual wariness toward political activity and rallied over the weekend in Boston’s Copley Square, with many saying the Trump administration has left them no choice."

"The phone calls started almost as soon as President Trump signed his executive order, making official his pledge to build a wall to separate the United States from Mexico."

"On the day before President Trump's inauguration, the outgoing Obama administration passed a last-minute directive, banning the use of lead ammunition and fishing sinkers on federal land."

"The U.S. House of Representatives voted Thursday to legalize the killing of black bear cubs and their mothers at their dens in Alaska’s national wildlife refuges."

"In the opening weeks of the Trump administration, the state of animal welfare—as with so much other policy—is in upheaval. On February 9, the administration froze the implementation of the just-passed Organic Livestock and Poultry Practices (OLPP)—the only comprehensive federal law that regulates the welfare of animals raised for food."

"In his first interview as EPA administrator, Scott Pruitt made one thing very clear: the Clean Power Plan, the signature climate regulation of the Obama administration, is not long for this world."

"The condemnation was swift when the Agriculture Department announced two weeks ago that it had pulled from its website the animal welfare records from 9,000 research labs, dog breeders and other facilities. ... This week, the department was sued over its move, and federal lawmakers began pressing the Trump administration to again make the records public."