"The top state prosecutors in New York and Massachusetts said on Tuesday they will refuse to comply with a subpoena from U.S. congressmen for details on their investigations into whether Exxon Mobil misled investors on climate change risks."

"Multi-ethnic nations are vulnerable to armed conflicts after weather disasters such as heatwaves and droughts in a trend that could worsen with global warming, scientists said on Monday."

"Firefighters in drought-hit California who are battling a 50-square-mile wildfire could be hampered by triple-digit heat, wind gusts up to 30 mph and low humidity on Tuesday, according to the National Weather Service."

"The environmental community's reviews of Virginia Sen. Tim Kaine (D) as presumptive Democratic presidential nominee Hillary Clinton's pick for vice president are in, and they range from 'awesome' to 'meh.'"

"The U.S. Environmental Protection Agency on Monday finalized its determination that greenhouse gases from airplanes endanger public health, a decision that requires the agency to regulate emissions from U.S. aircraft."

"PHILADELPHIA — While the Democratic Party was prepping its convention hall on Sunday, environmental activists tried to draw attention to the streets and their ongoing war against fossil fuel extraction. The day before the Democratic National Convention kicks off here, several thousand activists from Pennsylvania and surrounding states endured sweltering heat and humidity for nearly four hours to call for a shift to renewable energy."

"Three former Treasury secretaries say firms are not giving investors honest information".

"Extreme heat waves like the current string of scorching days in the Midwest have become more frequent worldwide in the last 60 years, and climate scientists expect that human-caused global warming will exacerbate the dangerous trend in coming decades. It comes with potentially life-threatening consequences for millions of people."

"An international agreement to reduce hydrofluorocarbons could prevent 0.5 degrees of warming by the end of the century, officials say."

"Organizations worried about climate change have long drawn comparisons between the petroleum and tobacco industries, arguing that each has minimized public health damages of its products to operate unchecked."