‘World leaders must now respond to an “unequivocal” message from climate scientists and act with policies to cut greenhouse gas emissions, the United Nations secretary-general urged on Friday.’

via IPCC climate report: human impact is ‘unequivocal’ | Environment | theguardian.com.

‘STOCKHOLM — The world’s top climate scientists on Friday formally embraced an upper limit on greenhouse gases for the first time, establishing a target level at which humanity must stop spewing them into the atmosphere or face irreversible climatic changes.’

via U.N. Climate Panel Endorses Ceiling on Global Emissions – NYTimes.com.

‘Fifty of the 500 largest publicly traded companies in the world are responsible for nearly three quarters of the group’s greenhouse gas emissions, a report by CDP said Thursday.’

via Top 50 polluters produce three quarters of greenhouse gases: report – Energy Ticker – MarketWatch.

‘While climate scientists fret over the melting of Greenland’s ice sheet, a geographer using NASA data made it disappear, revealing a canyon as long as Arizona’s Grand Canyon, buried a mile below the ice.’

via Greenland ice sheet secret revealed: a chasm rivaling the Grand Canyon – latimes.com.

‘Humanity has pushed the world’s climate system to the brink, leaving itself only scant time to act, the head of the UN’s group of climate scientists said on Monday.’

via Climate at five minutes to midnight: IPCC head – Yahoo! News.

‘US Secretary of State John Kerry said Monday the evidence for climate change was beyond dispute but it was not too late for international action to prevent its worst impacts.’

via Climate science alarming, irrefutable: Kerry – Yahoo! News.