Enlaces:
[1] http://www.aae.gobierno.pr
[2] http://gers.uprm.edu/aceer
[3] http://engnet.anu.edu.au/DEresearch/solarthermal/high_temp/concentrators/basics.php
[4] http://es.wikipedia.org/wiki/Energ%C3%ADa_renovable
[5] http://www.eere.energy.gov
[6] http://www.eia.doe.gov
[7] http://www.energyplanet.info
[8] http://www.intuser.net/index.php
[9] http://www.iea.org/index.asp
[10] http://www.nrel.gov
[11] http://www.newstarget.com/renewable_energy.html
[12] http://news.bbc.co.uk/player/nol/newsid_6610000/newsid_6617800/6617847.stm?bw=nb&mp=wm
[13] http://en.wikipedia.org/wiki/Renewable_energy
[14] http://www.uic.com.au/nip38.htm
[15] http://www.runet.edu/~wkovarik/envhist/RenHist/intro.html
[16] http://www.sciencedaily.com/news/earth_climate/renewable_energy
[17] http://www.renewable-energy-world.com
[18] http://www.powerfromthesun.net/chapter1/Chapter1.htm
[19] http://www.industcards.com/solar-usa-ca.htm
[20] http://energy.sourceguides.com/index.shtml
[21] http://openlearn.open.ac.uk/course/view.php?id=1697
[22] http://www.coalicionventanasverraco.org/