Links:

Renewable energy:
http://www.eere.energy.gov
http://europa.eu.int/comm/energy_transport/atlas/htmlu/wave.html
http://www.nrel.gov/

Renewable energy calendar: http://www.ttcorp.com/events.asp

Upcoming Energy conferences: http://www.conferencealerts.com/energy.htm
http://www.localpower.org/pages/decogenenergyconf.htm

Department of Energy: http://www.energy.gov/engine/content.do?BT_CODE=ENERGYEFFICIENCY

California Public Utilities Commission: http://www.cpuc.ca.gov

California Energy Commission: http://www.energy.ca.gov/efficiency/index.html

How stuff works: http://www.howstuffworks.com/

More links: