Do Climate Summits Like COP26 Really Matter? 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 A member of security moves to apprehend a demonstrator at the COP26 U.N. Climate Summit in Glasgow, Scotland, Saturday, Nov. 13, 2021. ( Alastair Grant / AP Photo ) Produced by Meg Dalton Hosted by Dr. Melissa Harris-Perry Produced by GBH, PRX and WNYC Studios