"Ellesmere Island, Nunavut — It’s August, and there’s snow on the ground. The six-week summer has already passed; our 24-hour daylight will drop to 16 in just a month’s time. Small, brittle leaves crunch underfoot as I walk across tundra that’s already beginning to freeze for the long winter ahead. The top of the world is a cold place. I’ve been at a field camp here in the Canadian high Arctic gathering climate change data from one of the most remote and isolated regions of the planet. It is barren, wild and beautiful. Yet this place is not beyond the reach of our carbon emissions."

"Moving to halt a powerful contributor to climate change, the United States has joined more than 110 corporations, civil society groups and governments to launch a global initiative to reduce deforestation sharply over the next 15 years, with the goal of eliminating the practice by 2030."

"According to oft-cited statistics, climate scientists are 95%-99% certain of climate change – about as certain as they are of the link between smoking and lung cancer. Nonetheless, an estimated 58% of US Republican congressmen claim to be unconvinced of it. This group, the so-called ' climate denier caucus,' is a big part of the reason that meaningful climate activist legislation keeps getting shot down. And according to a recent report, some of America’s most popular companies are helping to fund the effort."

"Climate change poses risks to human health just as pollution and lack of sanitation did a century ago, says a medical journal editorial that details the potential harmful health effects and the benefits of reducing greenhouse gas emissions."

"NEW YORK -– To combat climate change, a global Compact of Mayors from cities across the world was launched today at the UN Secretary-General’s Climate Summit today at UN Headquarters."

"China has pledged for the first time to take firm action on climate change, telling a UN summit that its emissions, the world's highest, would soon peak."

"French President Francois Hollande on Tuesday announced that France will contribute $1 billion to a near-empty global fund to help poor countries adapt to the effects of climate change as he addressed the United Nation's summit on climate change."

"UNITED NATIONS — President Obama, emboldened by his use of executive powers to fight climate change at home, challenged China on Tuesday to make the same effort to reduce its greenhouse-gas emissions and join a worldwide campaign to curb global warming."

"The internet giant Google has announced it is to sever its ties with an influential rightwing lobbying network, the American Legislative Exchange Council, accusing it of 'lying' about climate change."