EarthTalk®

Dear EarthTalk: Is air quality in the United States improving or getting worse? Is it cleaner in some parts of the country than in others? — K. Gould, Sherman Oaks, CA

The Drone-ification of America

The U.S. government has a history of commandeering military technology for use against Americans. We saw this happen with tear gas, tasers and sound cannons, all of which were first used on the battlefield before being deployed against civilians at home.