Flat-screen TVs can be stunningly energy-inefficient. New California standards could shift manufacturing processes significantly.
MIT researchers have been using custom-made sensors planted on trash in New York City, Seattle, and London to track the circuitous route that trash takes each day. Similar efforts are planned for other cities.
"The Environmental Protection Agency detailed its plans on Tuesday for research into the possible health and environmental risks of nanomaterials, tiny substances that are finding growing use in products like sunscreens and industrial adhesives."
Straw, a century-old building material, is making a comeback as an eco-friendly choice for modern home construction.
"Green roofs are increasing in popularity across the US, especially in cities, where there's not a lot of space for gardens. In Washington, DC, the city government is promoting the practice for its environmental benefits."
NASA is taking water recycling -- something necessary for space travel -- to new heights.