Sri Lanka, Sept. 16 -- President Donald Trump suggested global warming will reverse itself and dismissed climate change as a cause of the ferocious fires engulfing the west of the United States.

As the focus of the US election campaign switched to the deadly blazes, Democratic challenger Joe Biden slammed the incumbent as a "climate arsonist" and said America would not be safe from the ravages of a warming planet unless it elects "a president who respects science." Infernos across California, Oregon and Washington state have burned more than five million acres (two million hectares) this year, killed dozens of people and forced hundreds of thousands from

their homes.

Whole towns have been ruined by the blazes, which have pumped out ton...