Climate-Friendly Mayors Find Hope in Trump’s Election Setback

Sadiq Khan during an event in London on June 24.

Photographer: John Phillips/Getty Images for Bloomberg Philanthropies

The big wins by Democrats in Tuesday’s elections across the US turned into a rallying cry at an environmental conference in Rio de Janeiro.

Sadiq Khan, the mayor of London and co-chair of C40 Cities, a global network of major cities committed to tackling climate change, stayed up all night watching CNN to find out what happened to many of his counterparts in the US.