Victoria Bond coverâs this week's news: helium shortages, revolutionary tuberculosis testing and a suggestion to take a walk and leave the ipod at home.

Joel Werner investigates the newest contender for green energy: wave power!

Victoria Bond spoke to Julian Cribb about his newest book, the Coming Famine, and he explains why we are heading for major food crises within the next 50 years.

Hosted and produced by Victoria Bond, paneled by Jesus Tarbay.