Are you a print subscriber? Activate your account. By Erika Wheless - 1 hour 58 min ago By Berkeley Bethune - 2 hours 33 min ago By Tim Nudd - 2 hours 35 min ago By Jack Neff - 2 hours 43 min ago 5 ...

Former Vice President Al Gore says that the best way to reach hearts and minds about the global warming crises is through the time-tested medium of advertising, so he is sponsoring a competition to ...

A new 30-second television ad quietly went up late last week, criticizing former Mesa Mayor Scott Smith’s support for an international treaty designed to reduce emissions of greenhouse gases. The 60 ...

BURBANK, Calif. (AP) — Esteban Gast remembered a feeling of shame he had in high school while calculating how much carbon dioxide, the main driver of climate change, his daily activities created, ...