Imagine a heavy-duty truck, fully electric, that can haul 60 thousand pounds for 30 miles on one charge. The seaport of Los Angeles is about to receive 25 electric port vehicles, and officials expect them to catch on at ports worldwide.
The Environmental Protection Agency has set a new standard for the chief component of smog - ozone pollution. But EPA's new standard is under attack from both industry, who wanted no change, and public health advocates who wanted a much stronger rule. Living on Earth's Jeff Young tells us what's behind the decision and what it means for air quality.
Just how much water goes into making the jeans you're wearing? It's called a 'water footprint' and as global water supplies dwindle, some are trying to raise awareness about the water cost of our daily consumption.