"Scientists are more certain than ever that human-caused climate change is happening, according to on a leaked draft of an upcoming report from the Intergovernmental Panel on Climate Change. To be precise, the group says it’s “extremely likely,” judging from a review of the scientific literature, that more than half of the temperature rise observed in the last 59 years is due to factors such as greenhouse-gas emissions from burning fossil fuels."

http://www.technologyreview.com/view/518496/leaked-climate-report-implies-the-need-for-improved-technologies/?utm_campaign=newsletters&utm_source=newsletter-daily-all&utm_medium=email&utm_content=20130821