'Political watershed' as 19 countries pledge to phase out coal

New alliance launched at Bonn climate talks hopes to signal the end of the dirtiest fossil fuel that kills 800,000 people a year with air pollutionA new alliance of 19 nations committed to quickly phasing out coal has been launched at the UN climate summit in Bonn, Germany. It was greeted as a “political watershed”, signalling the end of the dirtiest fossil fuel that currently provides 40% of global electricity.New pledges were made on Thursday by Mexico, New Zealand, Denmark and Ang