Bill McKibben

Ice-Free Arctic Is “Uncharted Territory”

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Arctic sea ice extent. Area of ocean with at least 15 percent sea ice as of Sept 12, 2012. Credit: National Snow and Ice Data Center.

Arctic ice half of what it was 30 years ago. Now affecting weather patterns

Heading for +4C and catastrophe – CBD

By Stephen Leahy

UXBRIDGE, Canada, Sep 20 2012 (IPS)

The melt of Arctic sea ice has reached its lowest point this year, shrinking 18 percent from last year’s near-record low.

Summer ice this year is half what it was 30 years ago and is now affecting weather patterns. The massive declines in ice in recent summers have shocked scientists and Arctic experts. Some predict that in just a few years we will witness an event that hasn’t happened in millions of years: the complete loss of summer ice.

“We are now in uncharted territory,” said Mark Serreze, director of the National Snow and Ice Data Center (NSIDC) in Colorado.

“Few of us were prepared for how rapidly the changes would actually occur” as a result of the burning fossil fuels that are warming the planet, said Serreze.

“We could see an essentially ice-free Arctic ocean in late summer by the year 2030,” he told IPS.

Not long ago experts thought the soonest the Arctic would be ice-free was 2070. Now it’s anywhere from four to 18 years away.

The impacts are already being felt across the entire northern hemisphere. The loss of sea ice in recent years has been affecting weather patterns, recent research has shown. The all-important jet stream – the west-to-east winds that are the boundary between the cold Arctic and the warm mid-latitudes – is slowing down, moving north and become more erratic.Measurement of CO2 levels in atmosphere

“Europe, eastern Asia and eastern North America is connected to unique physical processes in the Arctic,” said James Overland of the NOAA/Pacific Marine Environmental Laboratory in the United States.

“In future, cold and snowy winters will be the rule rather than the exception” in these regions, Overland told IPS in Oslo in 2010.

The summer’s record loss of Arctic sea ice may mean a cold winter for the UK and northern Europe, Jennifer Francis, a researcher at Rutgers University, told the Guardian last week.

The region has been prone to bad winters after summers with very low sea ice, such as 2011 and 2007, Francis said. Continue reading →

“We’re Here to Insert Some Reality into an Unreal Situation” — 350.org Founder Bill McKibben

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Bill McKibben is a U.S. journalist, writer and environmentalist and the founder of 350.org. Credit: Stephen Leahy

Stephen Leahy

COPENHAGEN (IPS/TerraViva) Dec 2009

Bill McKibben is a U.S. writer, environmentalist and the founder of 350.org, an international climate campaign. His first book, “The End of Nature”, was published in 1989 and is regarded as the first book written for a general audience about climate change.

350.org is credited with organising the most widespread political action in history when more than 5,200 public demonstrations were held on Oct. 24 in 181 countries. The organisation’s goal is to raise public awareness about the dangers of climate change and the need to return carbon concentrations in the atmosphere to 350 parts per million (ppm). Currently, concentrations are 387 ppm and increasing at 2.0 to 3.0 ppm per year.

Recent science suggests that a maximum of 350 ppm may be what is needed to keep overall global temperatures below 2.0 degrees C.

TERRAVIVA: Why are you here?

BILL MCKIBBEN: I wrote a book on climate change 20 years ago and you could say I’m just following the trail to its end. We’ve also brought 350 young people from all over the world to make sure negotiators hear their voice and insert a little reality into an unreal situation. Continue reading →