Reserve base / Annual global consumption

How many years left

How many years left if the world consumes at today’s rate? Via Reddit.

See also: Materials = Energy / Historical statistics for mineral and material commodities.

April 20, 2009 by kris de decker Filed Under: Ecotech Myths, Maps, Metals, minerals, materials

Ecotech fantasies

15 unconventional wind turbine designs that will never work.

February 18, 2009 by kris de decker Filed Under: Ecotech Myths

Cleantech

An overview of hazardous materials used in solar PV cell production. Via Treehugger.

January 15, 2009 by kris de decker Filed Under: Ecotech Myths, Solar