Associated Press: American actor and environmental activist Robert Redford called global warming "an urgent matter" Friday and encouraged mayors to reduce local emissions even as world diplomats are trying to work out a global climate accord.
Redford, trustee of the NGO Natural Resources Defense Council, told The Associated Press that the U.N. climate conference under way in Paris is "key."
"I think we're running out of time because the planet is running out of resources," he said. "I think now the American...