Add Yahoo as a preferred source to see more of our stories on Google. A jumble of empty plastic bottles await reuse. - Westend61/Getty Images You might get eco-guilt when you toss a plastic bottle ...

Teach yourself how to build a plastic bottle house with cob and transform trash into a home. I build houses out of trash. I was inspired by the life of Kenyan Nobel laureate Wangarĩ Maathai, who said, ...

You might get eco-guilt when you toss a plastic bottle into the recycling bin. Will the material from the container really be used to make something new? The answer to that question is unclear.