"In a rare show of unity, tribal leaders from the United States and Canada plan to sign a joint treaty on Friday aimed at blocking the proposed hunting of grizzly bears in Idaho, Montana and Wyoming."

"Congress averted a government shutdown Wednesday as the Senate and then the House approved a short-term spending bill, allowing lawmakers to avoid a crisis and return home to campaign."

"A must-do bill to prevent the government from shutting down this weekend and to fund the fight against the Zika virus is stalled in the Senate, held up by bipartisan opposition as the clock ticks toward a Friday deadline."

"President Obama’s signature effort to combat global warming was alternately lauded as a reasonable attempt to move the nation toward cleaner energy sources and faulted as an unconstitutional, job-killing power grab during seven hours of vigorous legal arguments Tuesday."

"More than half of the 751 million acres of forestland in the United States are privately owned, most by people ... with holdings of 1,000 acres or less. These family forests, environmental groups argue, represent a large, untapped resource for combating the effects of climate change."

"U.S. President Barack Obama on Monday avoided direct mention of a pipeline that has provoked high-profile protests from Native Americans but urged tribal leaders to use the spotlight to continue pushing for recognition even after he leaves office."

The United States is likely to miss the goals it pledged to meet in the Paris climate agreement. One reason is emissions of methane, a potent greenhouse gas used in most homes.

"House lawmakers on Monday teed up debate on a major waterways bill, which is expected to draw Democratic opposition for not including emergency funding for lead-stricken communities such as Flint, Mich., or a provision related to the Harbor Maintenance Trust Fund."

"Donald Trump on Monday sparred with Hillary Clinton over whether he has called climate change a hoax as they debated the nation's energy policy."

"Donald Trump has selected one of the best-known climate skeptics to lead his U.S. EPA transition team, according to two sources close to the campaign."