Deep Ocean Warming Happening at ‘Alarming’ and Increasingly Rapid Rate

Nearly half of the increases in ocean temperature between 1865-2015 occurred in just the past 20 years, a rate which is steadily getting quicker, a new study published Monday reveals. Deep underwater, below 700 meters, the ocean holds 35 percent of the world’s heat associated with greenhouse gases—an increase from the 20 percent it had absorbed just two decades ago, …

Permafrost holds key to release of trapped carbon – Tim Radford

Three sets of scientists in the same week have helped narrow the uncertainties about how the natural world will respond to extra carbon dioxide in the atmosphere caused by the burning of fossil fuels. Carbon locked in the frozen earth will escape gradually as the Arctic permafrost melts – but the scientists say the process could accelerate. As greenhouse gas …