Volcano Eruptions
This is a free online volcano database, with information about all the currently known volcanoes. Every volcano features the basic statistics, as well as a very detailed map, with bot urban and satellite photos, and a google earth placeholder.
http://volcanodb.com/

AlertaTierra - Fenomenos Naturales
Informacion y noticias acerca del cambio climatico, calentamiento global, olas de calor, olas de frio, terremotos, tornados, climatologia, huracanes, volcanes, tormentas solares, tsunamis, etc. y otros temas relevantes.
http://www.alertatierra.com

Rockingeology
My web site teaches the concept of geology it also tells how gems , fossils were formed and little about the history of gems and fossils. there is a page about minerals and gold. the web site allso tells about mining and about prospecting as well as trea
http://www.rockingeology.com

Caldera Volcanoes
Browse all the currently known volcanoes with map locations, times of eruptions and much more!
http://volcanodb.com

John Hofmeister
Educate citizens and government officials about pragmatic, non-partisan affordable energy solutions, environmental stewardship, energy alternatives, efficiency, infrastructure, public policy, competitiveness, social cohesion, and quality of life.
http://www.citizensforaffordableenergy.org