Tag: "Ab32"
Producer's Notes – Biofuels: Beyond Ethanol
A sample of switchgrass at Sandia National LaboratoriesIt doesn't need to be said that there's a heated debate about how to mitigate greenhouse gas emissions with actions that lessen our society's carbon footprint. Biofuels like ethanol or biodiesel are one option. They're touted as being carbon neutral because the CO2 they emit comes from crops [...]
Post on Apr 08, 2008 by Sheraz Sadiq
Cement – A Dirty Business
Thought California has consigned coal-burning to the scrap bin? Think again! California has 11 coal-fired power plants, all used to heat limestone into cement — making us one of the biggest cement-producing states in the country. In addition to cement, these kilns produce 95% of the state's airborne mercury pollution and 2% of its greenhouse [...]
Post on Apr 04, 2008 by Amy Standen
