Want to avoid eco-guilt while relaxing at a luxurious hotel? Here are the top 10 eco-friendly hotels in the U.S.
Instead of allowing “fatbergs” to clog pipes, Thames Water will collect fat, grease and oil to power a sewage treatment plant.
Hydrogen has its second “breakthrough” story in a week, with a new enzyme combination said to be remarkably efficient at extracting the gas from plants.
Despite the claims, biofuels can still be pretty dirty. Biochar might be able to help clean them up.
The U.S. ethanol mandate is lowering the nation’s greenhouse-gas footprint — but could be increasing emissions around the globe, according to a new study.
The same month it began operating, the ZeaChem cellulosic ethanol plant in Oregon has been forced to cut workers and scale back operations due to money troubles.
Millions of US homes and businesses would benefit from burning switchgrass biofuel pellets in basement furnaces instead of heating oil.