"The Trump administration has ordered several National Park Service sites to take down materials related to slavery and Native Americans, including an 1863 photograph of a formerly enslaved man with scars on his back that became one of the most powerful images of the Civil War era."

"President Donald Trump filed a defamation lawsuit Monday against the New York Times and four of its reporters, accusing the newspaper of libeling him in several articles in the lead-up to last year’s presidential election."

"Frustrated with the lack of climate action, a high-school student launched Karbon Economics to explore systems that can shape solutions to the climate crisis."

"The Sierra Club has hired one of its longtime leaders to serve as executive director as the organization seeks stability after the tumultuous ouster of its former boss, Ben Jealous."

"The provision in the government funding bill could shield pesticide companies from billions of dollars in lawsuits."

"The U.S. and U.K. are expected to sign a deal to bolster nuclear energy as President Trump travels to Britain."

"America’s cancer research system, which has helped save millions of lives, is under threat in one of its most productive moments."