Piecing together the temperature puzzle
Each year, scientists at NASA'S Goddard Institute for Space Studies analyze global temperature data. The past year, 2009, tied as the second warmest year since global instrumental temperature records began 130 years ago. Worldwide, the mean temperature was 0.57°C (1.03°F) warmer than the 1951-1980 base period. And January 2000 to December 2009 came out as the warmest decade on record.
Take a look below at NASA's collection of videos, articles and imagery designed to help tell the story of our warming world.
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FEATURE ARTICLES Our warmest decade
Full story
Related news release
Just 5 questions
Sea change
It's snow joke
IMAGE GALLERY
VIDEOS In the balance Our world is warming. What are the implications?
Global temperature update 2009
VISUALS
Big picture view
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NASA scientists unveil their latest findings on our warming world: 2009 is tied as the second warmest year since modern recordkeeping began, and 2000-2009 is the hottest decade ever.
On the record....about the temperature record. NASA climatologist Gavin Schmidt talks about the Earth's surface temperature record and the data behind it.
The world's oceans are a mighty force. Their natural rhythms can sometimes hide global warming and sometimes accentuate it. NASA scientists say that ocean effects currently at play could well help make 2010 the warmest year ever.
Do local bouts of cold weather mean global warming is over? No. Read more to learn why cold snaps + global warming do add up.
What NASA climate scientists found when they took the planet's temperature.
Wondering how the world's temperature has changed since 1880? Get the lowdown from this interactive graphic.
Watch how the temperature of the Earth's surface has changed since 1881 in NASA's latest set of visualizations.