"Publishers producing high school biology textbooks that could be used in classrooms across Texas are being pressured to water down lessons on evolution and climate change, a progressive watchdog group said Monday."

"As the State Department drags out the approval of the Keystone XL pipeline, it is more likely President Barack Obama's final decision on the project to help link Canada's oil sands to U.S. refineries will slip into 2014, experts said."

"If the 50 dirtiest power plants in the United States were their own sovereign country, they would qualify as the seventh-biggest polluter in the world, according to a new report released on Tuesday. Those power plants alone emit more than all of South Korea or Canada."

"This month, the world will get a new report from a United Nations panel about the science of climate change. Scientists will soon meet in Stockholm to put the finishing touches on the document, and behind the scenes, two big fights are brewing."

"MIAMI -- The 2013 Atlantic hurricane season, which forecasters had predicted would be more active than normal, has turned out to be something of a dud so far as an unusual calm hangs over the tropics."

"As the season heads into the historic peak for activity, it may even enter the record books as marking the quietest start to any Atlantic hurricane season in decades.

'It certainly looks like pretty much of a forecast bust,' said Jeff Masters, a hurricane expert and director of meteorology at the Weather Underground."

"ST. PETERSBURG -- Transcending their disagreements over Syrian chemical weapons, the G-20 leaders managed to reach agreement on confronting climate change in two ways. They will phase down refrigerant greenhouse gases and phase out inefficient fossil fuel subsidies."

"STOCKHOLM -- President Obama is now in St. Petersburg, Russia at the G20 economic meeting, but he woke up this morning in Stockholm, where he agreed with Nordic leaders to cooperate on international climate negotiations and clean energy. ..."

"BRUSSELS — Seeking to end years of acrimony, the European Union has made concessions to the United States to try to gain support for global rules on airline emissions."

"ENEKO ISLAND, Marshall Islands -- Pacific Island leaders today declared that 'climate change has arrived' and called for an urgent phase down of greenhouse gas emissions to save their low-lying homelands from destruction."

"In the 1980s, it was South Africa. In the 1990s, it was tobacco. Now fossil fuels have become the focus of those who would change the world through the power of investing."