También disponible en español e português It’s tempting to think that this is just another Earth Day – after all, it has been celebrated since 1970. But perhaps this year should be different, at…

Karin Erika Kemper |

        A ground-breaking study released last month shows how the Middle East is losing its fresh water reserves. Prepared jointly by NASA and the University of California Irvine, and published by…

Tracy Hart |