"Climate change is creating all kinds of challenges and opportunities for business. One of the sectors that feels the effects most immediately is agriculture. Already, weather patterns are making it more challenging to raise corn — even in Iowa — in the middle of the Corn Belt."

"SEQUOIA NATIONAL PARK, Calif. — High in the Sierras, biologists are struggling to find ways to protect some of the world’s oldest and most storied trees from drought, forest fires and climate change."

"The much-debated Keystone XL pipeline could produce four times more global warming pollution than the State Department calculated earlier this year, a new study concludes."

"Former Vice President Gore is warning investors to pull their stock in coal assets or face devastating financial consequences."

"A tropical rain storm that caused deadly floods and destructive mudslides in the San Gabriel Mountains on Sunday was the kind of weather event seen only once about every 500 years, the National Weather Service said."

"Researchers have long contended that the epicenter of global warming is also farthest from the reach of humanity. It’s in the barren landscapes of the frozen North, where red-cheeked children wear fur, the sun barely rises in the winter and temperatures can plunge dozens of degrees below zero. Such a place is the Yamal Peninsula in Siberia, translated as 'the ends of the Earth,' a desolate spit of land where a group called the Nenets live."

"President Obama sought to pressure 'climate change deniers' in a recent interview, pitting them against CEOs of major corporations on the controversial issue."

"A coalition of environmental groups said Tuesday that it would file a federal lawsuit against the Environmental Protection Agency (EPA) for its failure to take action to curb carbon dioxide emissions from aircraft."

"Some of the world’s top PR companies have for the first time publicly ruled out working with climate change deniers, marking a fundamental shift in the multi-billion dollar industry that has grown up around the issue of global warming."

"TOLEDO, Ohio — It took a serendipitous slug of toxins and the loss of drinking water for a half-million residents to bring home what scientists and government officials in this part of the country have been saying for years: Lake Erie is in trouble, and getting worse by the year."