It starts with good intentions and a yogurt tub--or maybe a takeout container. Either way, it's a perfectly decent vessel. So, why not give it a second life as a tomato nursery? It feels eco-savvy.

Bridget Cevero of the Maritime Aquarium, left, and Annalisa Paltauf of Save the Sound, hold up the 35.75 pounds of trash collected by volunteers at the cleanup at Sherwood Island State Park last year.

Plastic-free products found in by participants in the plastic-free week include, from left, compostable trash bags, anti-perspirant in a recyclable can, detergent sheets and powered detergent, a ...

Researchers in Australia are working on a way to lower the cost of producing solar thermal energy by as much as 40% with the help of shatterproof rear-view mirrors originally designed for cars. That ...