Temperature, CO2 and Sea Levels move together

Sea levels, Carbon dioxide concentrations, and Global temperatures have moved together over the last 450,000 years.


The graphs show the movement over the last 450,000 years of:
. Sea levels (the blue line)
. Carbon dioxide concentrations in the air (the green line), and
. Global temperatures (the red line).

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Glaciers in retreat: The Extreme Ice Survey

The Extreme Ice Survey collects visual evidence of the impact of global warming on our planet, like time-lapse photos of the contraction of the glaciers.  Outside of the Antarctic, 95% of the world’s glaciers are retreating.

See the film “Chasing Ice”, produced in cooperation with National Geographic. It won an Emmy award as an outstanding nature program.

Also a TED talk by James Balog in July 2009