Jan 22, 2017

Massive Antarctic ice shelf ready to break apart

A chunk of ice half the size of Jamaica which is breaking away from West Antarctica is now attached to its parent ice shelf just by a thread, scientists reported Friday. Covering 5,000 square kilometers (1,900 square miles) and nearly 100 stories deep, the ...

Study of past warming signals major sea level rise ahead

Jan 20, 2017

Study of past warming signals major sea level rise ahead

Scientists who study patterns of natural shifts in the Earth’s climate said Thursday they have uncovered a “worrisome” signal that major sea level rise could be on the way. The findings in the journal Science show that ocean surface temperatures during the Earth’s last ...

Climate science bedeviled by 'tipping points'

| Jan 19, 2017

Climate science bedeviled by 'tipping points'

Of the many things that keep climate scientists awake at night, tipping points may be the scariest. To start with, these thresholds for deep, sometimes catastrophic change in the complex web of Earth’s natural forces, caused by man-made global warming, are largely invisible. You ...

Jan 15, 2017

Trudeau says Canada's oil sands must be phased out

Canada must “phase out” Alberta’s oil sands and end the country’s dependence on hydrocarbons, Prime Minister Justin Trudeau said on Friday. “We can’t shut down the oil sands tomorrow. We need to phase them out,” he said. “We need to manage the transition off ...

Massive Antarctic ice block set to break off

Jan 7, 2017

Massive Antarctic ice block set to break off

A massive ice block nearly 100 times the area of Manhattan is poised to break off Antarctica’s Larsen C ice shelf, scientists reported Friday. A slow-progressing rift suddenly grew by 18 kilometers (11 miles) at the end of December, leaving the finger-shaped chunk — ...

Unlucky polar bears beset by toxins too, study says

Jan 6, 2017

Unlucky polar bears beset by toxins too, study says

Polar bears just can’t catch a break. Already struggling to cope with climate change, the giant Arctic carnivores also face a chemical poisoning risk 100 times above levels considered safe for adult bears, according to a study released Thursday. For bear cubs feeding on ...

Scientists disprove global warming took a break

Jan 5, 2017

Scientists disprove global warming took a break

A reported pause in global warming between 1998 and 2014 was false, according to U.S.-British research published Wednesday that confirmed a disputed U.S. study on ocean warming. Scientists at the University of California, Berkeley, and the University of York in England corroborated the results ...