Terra360 Weblog

2007 ozone hole ‘smaller than usual’ in Antarctica

You'll still need lots of sun screen at the beach.

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The ozone hole over Antarctica has shrunk 30 percent as compared to last year's record size. According to measurements made by ESA’s Envisat satellite, this year’s ozone loss peaked at 27.7 million tonnes, compared to the 2006 record ozone loss of 40 million tonnes. <... read more>

23% Less Year Round Ice in the Arctic

NASA Examines Arctic Sea Ice Changes Leading to Record Low in 2007
October 01, 2007 PASADENA, Calif. - A new NASA-led study found a 23-percent loss in the extent of the Arctic's thick, year-round sea ice cover during the past two winters. This drastic reduction of perennial winter sea ice is the primary cause of this summer's fastest-ever sea ice retreat on record and subsequent smallest-ever extent of total Arctic coverage. <...read more>

News from the Earth Observatory

Antarctica's melting ice documented by NASA imagery.  Also a graph of the loss of sea ice in the Arctic is here.

It's getting warmer folks

OK, lots of weird weather around the world, that is part of it.  Some places get warmer, and some get colder.  Overall, on average, things tick up on the global thermometer a bit.  Ice in the Arctic is getting thinner, a LOT THINNER. Our President needs to read this.

Our warming Earth

Published online: 10 August 2007;  | doi:10.1038/news070806-13

Rising temperatures "will stunt rainforest growth"

Plants suffering in the heat could make global warming worse.

Michael Hopkin

Global warming could cut the rate at which trees in tropical rainforests grow by as much as half, according to more than two decades' worth of data from forests in Panama and Malaysia. (read on... )

Clues to Rising Seas

An interesting story in the Washington Post

Clues to Rising Seas Are Hidden in Polar Ice

By Juliet Eilperin

Washington Post Staff Writer
Monday, July 16, 2007;  Page A06

 

Few consequences of global warming pose as severe a threat to human society as sea-level rise. But scientists have yet to figure out how to predict it....

Mars as Art

These are fabulous:

http://www.nasa.gov/externalflash/Mars_as_art/