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.
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.
Dec 25, 2014 Christmas tree salesman Ernest Parker explains the business of holiday cheer.
Dec 24, 2014 One entrepreneur in Minnesota is hand delivering trees, dressed as an elf.
Dec 18, 2014 The Vermont family selling that Christmas tree in Brooklyn? They didn't grow it. A big tree farm did.