"Lawsuit helped force an update of emissions standards for dangerous chemicals that went unchanged nearly 30 years."

"President Obama used the backdrop of the Florida Everglades this Earth Day to highlight the dangers posed by a changing climate. He also took a swipe at Florida's Republican governor, who's been accused of discouraging state workers from discussing global warming."

"John Kerry is heading north. On Friday, the U.S. Secretary of State will travel to the Canadian Arctic city of Iqualuit, Nunavut, where he will take temporary reins of the Arctic Council, a forum that could ultimately determine the fate of the Arctic."

"President Obama on Wednesday will make his first visit while in office to the Florida Everglades, choosing the backyard of a former Republican governor of the state, Jeb Bush, and its Republican senator, Marco Rubio, to demand action on climate change in a critical battleground in the 2016 presidential election."

"Sen. Lisa Murkowski (R-Alaska) said she will introduce a bill this year to end the 40-year-old ban on exporting crude oil."

"It may not be as obvious a climate symbol as the rapidly warming Arctic. But with President Obama’s climate-focused visit on Earth Day, Everglades National Park could take on new significance as a politically potent case study of how global warming directly impacts people living in the United States."

"Billionaire activist Tom Steyer's climate change advocacy group offered unexpected praise on Friday to Republican presidential hopeful Jeb Bush for saying the United States should work with the world to reduce carbon emissions."

"President Obama will tout his administration's efforts to protect the environment during a visit to the Everglades in south Florida on Wednesday, as the White House presses its go-it-alone climate-change agenda."

"A large majority of Americans support taxing carbon emissions, according to polling results released yesterday, and favorability rises to two-thirds if the tax is used to send money back to households."

"The Bureau of Land Management has not asked the Justice Department to prosecute Nevada rancher Cliven Bundy or anyone else involved in an armed standoff last year with BLM officials who were attempting to round up cattle that were illegally grazing on federal lands, according to documents a government watchdog group sued to obtain."