Via Scoop.itGeography Education

April 22 will mark Earth Day worldwide, an event now in its 42nd year and observed in 175 countries. The original grass-roots environmental action helped spur the Clean Water Act and Clean Air Act in the United States.

 

This is a great collection of photos, including this one from Mexico City’s Paseo de la Reforma (where I did my dissertation research).  Protestors placed gas masks of the statues lining Mexico City’s elite boulevard to protest air pollution in the high-altitude basin. 

Via www.boston.com