"Tropical storm warnings have been issued for parts of the Caribbean, including Puerto Rico, as a disturbance expected to become Tropical Storm Isaias could eventually approach Florida this weekend."

"Two environmental groups on Friday threatened to sue the Trump administration over a newly published rule allowing the transport of liquefied natural gas (LNG) by rail."

"Democratic Senator Tammy Duckworth on Thursday unveiled a plan to rehabilitate communities hurt by the decline of the U.S. coal industry - an appeal to a political constituency seen as important in the November election."

"Early in 2019, a year before the world shut its borders completely, Jorge A. knew he had to get out of Guatemala. The land was turning against him. For five years, it almost never rained. ... Jorge knew then that if he didn’t get out of Guatemala, his family might die, too."

"Insurer Zurich has decided not to renew cover for the Canadian government’s Trans Mountain oil pipeline, said a spokeswoman for the project, which is opposed by environmental campaigners and some indigenous groups."

"Michigan Gov. Gretchen Whitmer criticized Enbridge Inc. on Wednesday for what she described as the company’s refusal to make an airtight pledge to pay for damages caused by a potential oil spill from its pipeline beneath a Great Lakes channel."

"Researchers studying one of the most important and vexing topics in climate science — how sensitive the Earth’s climate is to a doubling of the amount of carbon dioxide in the atmosphere — found that warming is extremely unlikely to be on the low end of estimates."

"A bipartisan bill extending the Chemical Facility Anti-terrorism Standards program cleared the U.S. House Monday and now heads to President Donald Trump’s desk."

"A growing number of National Academy of Science members sign a statement decrying the Trump administration’s 'denigration of scientific expertise.'"