World’s atmospheric carbon dioxide concentration teetering on the point of no return – ‘We’re going into very new territory’

By Michael Slezak11 May 2016 (The Guardian) – The world is hurtling towards an era when global concentrations of carbon dioxide never again dip below the 400 parts per million (ppm) milestone, as two important measuring stations sit on the point of no return. The news comes as one important atmospheric measuring station at Cape […]

Scientists say 93 percent of the Great Barrier Reef now bleached – ‘And then we wept’

By Chris Mooney 20 April 2016 (Washington Post) – The conclusions are in from a series of scientific surveys of the Great Barrier Reef bleaching event — an environmental assault on the largest coral ecosystem on Earth — and scientists aren’t holding back about how devastating they find them. Australia’s National Coral Bleaching Task Force […]

Image of the Day: Early ice breakup of Beaufort Sea due to early warm temperatures

By Sarah Loff15 April 2016 (NASA) – This image of early ice breakup of the Beaufort Sea, north of Alaska, was taken by the Suomi NPP satellite’s Visible Infrared Imaging Radiometer Suite (VIIRS) instrument infrared channel, at around 1148 UTC on 13 April 2016. Every year, the cap of frozen seawater floating on top of […]

March was Earth’s 11th-straight warmest month on record

By Andrea Thompson15 April 2016 (Climate Central) – New global temperature data released on Friday by NASA put March at 2.3°F (1.28°C) above the 1951-1980 average for the month, making it the warmest March on record. It beat out the previous warmest March, from 2010, by 0.65°F (0.36°C) — a handy margin. It also marked […]

Scientists blame El Niño and global warming for ‘gruesome’ coral deaths – ‘This is absolutely the most intense response, the most dramatic death of a coral reef from an El Niño event’

By Seth Borenstein6 April 2016 (ABC News) – The coral on the sea floor around the Pacific island of Kiritimati looked like a boneyard in November — stark, white and lifeless. But there was still some hope. This month, color returned with fuzzy reds and browns, but that’s not good news. Algae has overtaken the […]

Methane matters: Scientists work to quantify the effects of a potent greenhouse gas – ‘There is no question that methane is doing some very odd and worrying things’

By Adam Voiland8 March 2016 (NASA) – For a chemical compound that shows up nearly everywhere on the planet, methane still surprises us. It is one of the most potent greenhouse gases, and yet the reasons for why and where it shows up are often a mystery. What we know for sure is that a […]

Unprecedented spike in CO2 levels in 2015 – ‘Carbon dioxide levels are increasing faster than they have in hundreds of thousands of years’

By Bobby Magill10 March 2016 (Climate Central) – The annual growth rate of carbon dioxide in the atmosphere rose more in 2015 than scientists have ever seen in a single year, the National Oceanic and Atmospheric Administration announced Thursday. It was the fourth year in a row that carbon dioxide concentrations grew by more than […]

Winter tops charts as warmest on record for U.S.

By Andrea Thompson8 March 2016 (Climate Central) – On the heels of a record warm autumn for the contiguous U.S., winter has also topped the temperature charts. The news, announced Tuesday by the National Oceanic and Atmospheric Administration (NOAA), may come as no surprise for those who experienced summer-like heat waves in Southern California or […]

Global temperatures leap higher in January, smashing records – ‘This January is a whopping 1.1 degrees warmer than the average January’

By Peter Hannam  16 February 2016 (Sydney Morning Herald) – This year has got off to a scorching start, with global temperatures marching to new highs as a giant El Niño rode on the back of creeping climate change, data from Japan and the US show. Just a month after the world notched its hottest […]

Arctic sea ice hit record low for January – ‘We had a January that was just absurdly warm over the Arctic Ocean’

By Yereth Rosen 5 February 2016 (Alaska Dispatch News) – Sea ice extent over the Arctic last month was the lowest for any January in the satellite record, with freeze-up slowed by unusually high air temperatures over the Arctic Ocean and an atmospheric pattern in the Atlantic side that moved cold weather to more southern […]

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