"House Science committee hears three witnesses arguing subpoenas of NY and Mass. attorney generals are justified; opponents argue they are a shield for Exxon."

"Federal Judge Ann Aiken heard from attorneys Tuesday in a case that 21 young people have brought against the Obama Administration over climate change.  the audience for the hearing overflowed into two other rooms at the Eugene Federal Courthouse and in courtrooms in Portland."

"The effects of climate change endanger U.S. military operations and could increase the danger of international conflict, according to three new documents endorsed by retired top U.S. military officers and former national security officials."

"As the United Nations General Assembly converges in New York on Tuesday, Secretary General Ban Ki-moon is using the gathering of world leaders to rush the 2015 Paris climate change accord into legal force this year, hoping to bind all countries to its strictures for at least the next four years — regardless of the outcome of the presidential election in the United States."

"California will tighten controls on greenhouse gas emissions from vehicles, factories and public utilities under a pair of bills signed on Thursday by Democratic Governor Jerry Brown."

"After this week's G20 summit in China failed to set a target year to phase out hundreds of billions of dollars in state subsidies for polluting fossil fuels, green groups and experts are urging Germany to finish the job as host of next year's summit."

"Much of the heat of global warming has been absorbed by the sea, with a steep cost to marine life, ecosystems and the people that depend on them."

"Murray Energy Corp. made a $250,000 donation to the Republican Attorneys General Association last year and, in return, the coal mining company’s chief executive got a closed-door meeting with state prosecutors to discuss the Obama administration’s regulation of power plants. Eleven days later, the attorneys general went to federal court to fight the rules that Murray Energy says could put the coal industry out of business."

"In the course of a 17-year experiment on more than 1 million plants, scientists put future global warming to a real world test — growing California flowers and grasslands with extra heat, carbon dioxide and nitrogen to mimic a not-so-distant, hotter future. The results, simulating a post-2050 world, aren't pretty. And they contradict those who insist that because plants like carbon dioxide — the main heat-trapping gas spewed by the burning of fossil fuels — climate change isn't so bad, and will result in a greener Earth."