San Francisco joins Seattle in looking at dropping fossil fuel investments from employee pension funds.
Soon fancy robots will be drilling miles deep into the sea floor for gold. What could go wrong?
Under pressure from activists, the world's third-largest paper pulper has agreed to stop clear-cutting natural rainforest in Indonesia.
Spoiler: Probably the ones with big smokestacks that generate your electricity.
A biking ban in a Colorado town was struck down by the state's Supreme Court. Meanwhile, a Missouri legislator wants to ban bikes from state highways.
Get lazy, folks! Working fewer hours could make a significant dent in climate-warming emissions.
While the proposal is likely a non-starter, it reveals the increasing frustration of oil companies trying to move stubborn tar-sands oil.
California's Monterey Shale could contain twice as much oil as all of Saudi Arabia, but it won't be easy to get out of the ground.
Walmart now dominates the U.S. grocery sector, selling more food than the three biggest grocery chains combined.