Apr 24, 2015 Plastic proved more convenient than glass. Now it's easier to recycle, too.
Apr 16, 2015 Groups around the country are refurbishing used bikes to help low-income people.
Apr 10, 2015 Unlike massive leaps in computing technology, batteries are tough to improve.
Mar 17, 2015 Greg Kloehn builds homes out of recycled materials and gives them to the homeless.
Mar 13, 2015 Hundreds of tons of shredded money are burned each year to generate electricity.
Feb 10, 2015 In his new book, Steve LeVine details what sparks battery innovation.
Oct 24, 2014 P&G announces plans to spin off Duracell.