In honor of today being 2009’s Blog Action Day, I present below a series of recent climate change visualizations:

First up, “Kyoto: Who’s on Target”, which uses interesting nested circles for indicators of compliance. (via)

From the Washington Post, an interactive view of carbon emissions from G20 countries (either total or per capita) with a slider to move from 1950 through 2006. Easily missed, you can also click on a countries name on a list below that bubble chart (or on the “country profile” tab) to drilldown to individual countries. The October 5 part of the “special report” also contained a nice overview map.

Next, a treemap of cumulative CO2 emissions (1751-2006):

Breathing Earth‘s CO2 emissions simulator:

another interactive CO2 emissions map:

and if you doubt what effects CO2 levels are having, and whether global warming is something to worry about, please go read the “Global Climate Change Impacts in the United States” report.

or take a look at the Climate Orb, which is gathering stories of environmental impacts around the globe: