Climate change and presidential politics are again on a collision course in the United States.
Joe Biden is taking the climate-crisis fight to Donald Trump as ferocious wildfires rage up and down the west coast of the U.S. and a barrage of tropical storms line up in the Gulf of Mexico.
Biden, the Democratic nominee for president, says the link between climate change and an escalating number of extreme weather events can no longer be denied.
He says it's just one of the four simultaneous, historic crises in the U.S., including the pandemic, the ensuing economic collapse and the ongoing racial upheaval in the country.
The U.S. president, meanwhile, is doing his level best to divorce the fires from climate as he visits California for an update on the wildfires.
Earlier today, Trump retweeted a Fox News contributor saying that the state has a long history of "megadroughts" that predate climate change.
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