"California and leaders of 11 states and provinces signed an agreement on Tuesday to limit their output of heat-trapping greenhouse gases 80 to 95 percent by 2050, a goal they hope will help prevent runaway climate change."

"Vastly more Americans will be exposed to dangerous heat waves in future decades because of a combination of rising temperatures and rapid population growth in the South and West, scientists warned in a study published Monday."

"Recent rain has brought much-needed relief to drought-stricken Texas. Is the relief more than temporary? "

"The Stephen Harper government had barely revealed its plans for Canada’s climate targets before environment groups laid into the announcement, criticizing it as meaningless and short-sighted."

"Commodity investors are in a twist about the weather. Warmer ocean temperatures last spring indicated an El Niño event was on the horizon, signaling buys, sells, and hedging positions in securities linked to products impacted by storms and droughts. Everything from sugar prices to coffee futures were retooled."

Two different ice sheets in Antarctica are on the verge of disintegrating, which would add dramatically to climate-related sea-level rise.

"Senate Republicans introduced a bill Wednesday that would overturn the Obama administration’s landmark climate regulations for power plants and make it nearly impossible to rewrite them."

"Climate change and cannabis: Experts warn potency and potential for habitat disruption may increase along with CO2 and temperatures".

"The pope’s closest adviser on Tuesday slammed climate-change skeptics, blaming capitalist motivations from “movements in the United States” for opposing the Catholic Church leader’s upcoming environmental letter."