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Arctic Ice Reaches September Minimum Volume: Only 4000 Cubic Kilometers Left, 9500 Cubic Kilometers Below Average

Earlier this week, the University of Washington’s Polar Science Center released its latest Arctic sea ice measurements to make them current as of September 15, 2010. The Polar Science Center uses a satellite to measure the three-dimensional volume of the Arctic sea ice (a approach different than that of the National Snow and Ice Data […]

Surprise Late-Season Melt: Arctic Sea Ice Extent Falls Below 2008 Level

The melting of the Arctic sea ice literally crossed another line yesterday, as the area of Arctic sea ice fell below the level of two years ago:

The collapse of the Arctic sea this year is only surpassed by the calamity of 2007. The four lowest years of Arctic sea ice extent are the […]

Double Dip: Arctic Ice Resumes Late Season Melt

Last week, the National Snow and Ice Data Center reported:

Arctic sea ice appears to have reached its annual minimum extent on 10 September. The minimum ice extent was the third-lowest in the satellite record, after 2007 and 2008, and continues the trend of decreasing summer sea ice.

But appearances can occasionally be deceiving. After […]

Across the Earth, 2010 had the Second Hottest Summer on Record

This week, NASA’s Goddard Institute for Space Science released data on global temperatures for June, July and August 2010, the hot summer months in the Northern Hemisphere, where most people on the planet live. As summers go, boy, it was a hot one, and it wasn’t just hot where you live. Over land — where […]

August 2010 was the 7th Hottest August in U.S. History

On Wednesday night, the National Oceanic and Atmospheric Administration (NOAA) released its National Climate summary of August 2010. Across the 48 continental United States, August 2010 was the 7th hottest August in the 116 consecutive years of U.S. temperature records. Not one of the 48 states that faced colder than normal temperatures in August 2010; […]

The Political News I’m Waiting For. What Are You Waiting For?

As the summer progresses, I find myself waiting with interest for the arrival of some pieces of news. Here’s what I’m waiting for:

Section 527 quarterly financial reports. Most non-profit political organizations must file reports of their contributions and expenditures with the IRS on July 15 or July 20. With most reports filed electronically nowadays, […]

International Polar Year Oslo Science Conference: Watch it Online

2007-2008 marked the Fourth International Polar Year, a coordinated international research effort dedicated to a better understanding of the Earth’s poles. Various sorts of data were collected in more than 150 research projects during this year.

Some of this research is still proceeding, and a large amount of data collected during the International Polar Year […]

Intellectual Dishonesty through Odd Stats by Global Warming Deniers

If you had to stretch reality into an unrecognizable shape in order to maintain a stance, why would you do it?

The movement of global warming denial has left me pondering that question. Two recent episodes in particular have brought that question to the forefront of my mind.

The first is the decision by the […]

Arctic Sea Ice Extent, October 27 2009: 6 Standard Deviations Below the 1979-2000 Mean

The latest data on sea ice extent in the Arctic Ocean includes information up through October 27, 2009:

Source: National Snow and Ice Data Center

The National Snow and Ice Data Center’s standard for measuring a notable deviation from the 1979-2000 sea ice average is two standard deviations, which is a reasonably strong standard, […]

Arctic Sea Ice Update: Less Ice Than 2008, Far Below 1979-2000 Average

Don’t fear the data.

The latest data on sea ice extent — updated on Thursday October 29, 2009 to reflect the most recently available data, up through Tuesday October 27, 2009 — in the arctic from the National Snow and Ice Data Center:

This updated data shows that as of October 27 2009, there’s […]

More Data Confirms Climate Change

Climate change is happening, and the animals have been adapting to it for some time now. Isn’t it time that human beings joined them? […]