====renewable energy sources====

http://www.ecotricity.co.uk/

notes 
  * google "methane biomass electricity"
  * http://greennature.com/article104.html

OTEC (ocena thermal energy conversion) 
using temperature gradients between surface water and deep water to generate electricity, with the posibilty of fresh water as a 'byproduct' 

http://www.hawaii.gov/dbedt/ert/otec_hi.html 

http://acre.murdoch.edu.au/ago/ocean/ocean.html 

http://dsc.discovery.com/news/2008/02/07/raindrops-energy.html

see also;: [[Viridian Green]], [[Solar Power]], [[Pedal Power]], [[Wind Power]]