"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.
Users of athletic fields, parks, and playgrounds with artificial turf may face risks from dozens of potentially harmful synthetic chemicals in the ground-up recycled tires used to make it.