Earth Talk: Biomass has significant ecofriendly potential for power and heat, experts say.
Twenty-eight green groups compile 359 pages of suggestions, hoping for a green revival post-Bush.
Readers remember the friendships they formed through the Monitor's old pen-pal column.
Water and chemicals injected at high pressure can extract more gas – and possibly pollute drinking water.
Readers remember the pen pals they found through the Monitor's old Mail Bag column.
About 2,500 trained inmate firefighters are providing vital help in the wildfire crisis.
Walden Pond and global warming, truckers don their skirts, and how Arctic flow can snowball.
Its 275 waterfalls – spanning the Argentina-Brazil border – create a raging rush as water plummets more than 200 feet off cliffs.