"A Delaware-sized iceberg is very close to splitting off from one of the largest ice shelves in Antarctica, scientists say, after a fast-growing crack stretched to within 8 miles (13 kilometers) of the open ocean this week."

"President Trump railed against the Paris climate agreement in the White House Rose Garden on  Thursday, but it was hard to reconcile his description of the climate accord with the real one."

"Representatives of American cities, states and companies are preparing to submit a plan to the United Nations pledging to meet the United States’ greenhouse gas emissions targets under the Paris climate accord, despite President Trump’s decision to withdraw from the agreement."

"UNITED NATIONS — Leaders from around the world maintained a defiant front on Thursday after President Trump announced that he would withdraw the United States from the Paris Agreement."

"The United States will withdraw from the Paris climate deal, President Trump announced today."

"As New England winters get warmer and shorter, ticks are driving a worrisome decline in a species that's crucial to the region's economy."

"The world's first commercial plant for capturing carbon dioxide directly from the air opens today, refueling a debate about whether the technology can truly play a significant role in removing greenhouse gases already in the atmosphere."

"California's Senate yesterday stepped up promised efforts to push back against the Trump administration, passing a package of bills to protect federal standards in the Golden State, even if rules are repealed or softened nationally."

"China and the European Union will seek on Friday to save an international pact against climate change from which U.S. President Donald Trump appears to be set to withdraw."

"The Environmental Protection Agency (EPA) has halted an Obama administration rule to cut down on pollution of methane, a greenhouse gas produced at oil and natural gas drilling wells."