What is biodiversity
This picture is a global reprensentation on what is biodiversity.
This picture is a global reprensentation on what is biodiversity.
NASA; IPCC
Water Cycle
The Metrics for Measuring the Ecological Footprint of Humans on Planet Earth
Rising deficits and the US debt limit
Purchasing power and the US dollar
Background information about the San Diego County Water Authority
By Paul Kedrosky · August 12, 2010 blog post.
Nice graph pair showing the world’s population distribution (circa 2000) by latitude & longitude.
EDF, Observ'ER
Electricity production from main renewable energies in France, 2010
EDF (Electricite De France)
According to EDF, the detailed figures of France electricty production.