Climate Activism: Balancing Hope With Despair Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Demonstrators march to City Hall during the 'Forward on Climate' rally to call on President Obama to take strong action on the climate crisis on February 17, 2013 in Los Angeles, California ( David McNew / Getty ) Produced by Shannon Heffernan Produced by PRI and WNYC