Recommended literature

The school and and São Tomé:

http://www.natcultura.org/

http://uk.groups.yahoo.com/group/saotome/

http://stomepatrimonio.blogspot.com

Teaching sustainability and renewable energies:

http://www.isf.es/menu_publicaciones

http://www.sustainabilityafrica.unny.org

Solar energy:

http://www.gaia.org.ar

http://www.sitiosolar.com

http://www.practicalaction.org

http://www.ecomaipo.cl

http://www.solarcooking.org

http://solarcookers.ning.com

http://www.motherearthnews.com

Biogas:

http://www.bioenergylists.org

http://www.practicalaction.org 

http://www.ganesha.co.uk

http://www.biogasafrica.org/documentlib.html