sci.environment - join
Discussions about the environment and ecology.
High activity, 1528 subscribers, Usenet

sci.energy - join
Discussions about energy, science & technology.
High activity, 1240 subscribers, Usenet

alt.energy.renewable - join
Fueling ourselves without depleting everything.
Medium activity, 1073 subscribers, Usenet

sci.energy.hydrogen - join
All about hydrogen as an alternative fuel.
Medium activity, 473 subscribers, Usenet

globalchange - join
Moderated discussion of environmental science, economics, policy and politics, especially as related to global change issues such as climate change, biodiversity, and sustainability.
Low activity, 420 members, moderated

talk.environment - join
Discussion the state of the environment & what to do.
Medium activity, 490 subscribers, Usenet

Greenhouse Effect - join
The Greenhouse Effect, Global Warming and Climate Change: how big will the impact be, what will happen, what can we do?
Low activity, 139 members

alt.politics.greens - join
Green party politics & activities worldwide.
High activity, 241 subscribers, Usenet

alt.energy - join
Low activity, 145 subscribers, Usenet