As wildfires in Canada have sent masses of smoke over the United States this week, engulfing much of the Northeast in a yellow haze of hazardous air pollution, scientists are clear that we are seeing the effects of climate change.But the Republicans campaigning for the presidency have largely downplayed the issue and rejected policies that would slow rising temperatures.
#back #years #united-states #environment #republicans #researchers #climate-change #president-biden #vice-president #united-nations
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