The Earth is Warming
2009 tied for second hottest year since records began
In the Southern Hemisphere, 2009 was the hottest year on record
Earth has been accumulating heat since the 1970s
Mean surface temperature change between the 1950s and 2000s
Warming in Greenland and Arctic has been amplified as models predict
West Antarctica has been warming
A cold December 2009? Depended on where you live. (°C)
January 2010 hottest January in satellite record
2010 starting off as hottest year on record. Temperatures at 14,000' from satellites. Each line is a different recent year. The top line ending in a small box is 2010. The heavy line is an average for the last 20 years. Make your own chart here.
2009 second hottest year on record in Australia. 2000-2009 hottest decade. Jan. 13, 2010: Melbourne has hottest overnight temperature in 108 years.
February 2009: Australia suffers worst drought in history; massive wildfires
Western US Drought Continues, December 29, 2009
Colorado River inflow to Lake Powell lowest on record (2009=95%)
Western snow melting earlier in spring
Western wildfire frequency and spring-summer temperatures since 1970
Greenland ice mass shrinking (Science Magazine; subs. required)
Antarctica losing ice
Mountain glaciers declining worldwide
Grinnell Glacier, Glacier National ParkGlacier NP forecast ice-free by 2030
Retreat of Gangotri Glacier, one of largest in Himalayas, 1780-2001
Arctic sea ice shrinking: Arctic Ocean forecast ice-free by 2030, or sooner
Observed versus modeled Arctic sea ice declineThe IPCC was too conservative.
Arctic air temperature "hockey stick." The Medieval Warm Period and the Little Ice Age show much less change than last 100 years.
Arctic coastline eroding as sea level rises
Arctic river discharge increasing as ice melts
US plant zones shifting north
Increase in number of days between last and first frost, US Northeast, 1901-2001. (Red=more days without frost)
California Lakes Warming
Drought in Middle East
Sea level has been rising and continues to rise
All satellite data and 3-month average
Oceans growing more acidic (more negative pH) between 1700s and 1990s as atmospheric CO2 rises and more dissolves in the oceans
For more evidence and photographs, go to Desdemona Despair. For the best climate blogs, go to Climate Progress, RealClimate and Skeptical Science.