Add Yahoo as a preferred source to see more of our stories on Google. Plastic trash accumulates in trees and shrubs along the Los Angeles River. Citizen of the Planet/Education Images/Universal Images ...

As the crisis in the Middle East continues, much of the public focus has been on fuel prices and the cost of living. But ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. If plastic comes from oil and gas, which come ...