"We self-flagellate sometimes about our carbon footprint, but we don't even realize what that means."

"If you told me that innovation had been frozen and we just have today's technologies, will the world run the climate …"

"When electricity is needed, say, after the sun has set, the hot liquid silicon -- so hot that it's glowing white -- i…"

"A carbon tax offers the most cost-effective lever to reduce carbon emissions at the scale and speed that is necessary…"

"There's enough alcohol in one year's yield of an acre of potatoes to drive the machinery necessary to cultivate the f…"

"Right now alternative energy is still treated as a supplement rather than a substitute for fossil fuels within the as…"

"As long as the starting material is grown on farmland, Searchinger says, biofuels will be bad for the planet. But Ale…"

"Biofuels have grabbed the attention of engine researchers ever since the oil-crisis and escalating costs of petro-che…"

"The assumption that high jet steam wind speeds in the upper atmosphere correspond to high wind power has now been cha…"

"Even if we wanted to run the grid on renewables right now we couldn’t, because you’d need fossil-fueled turbines to m…"