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This content was originally published by MarketWatch.com - Top Stories. Original publishers retain all rights. It appears here for a limited time before automated archiving. By MarketWatch.com - Top Stories
President Donald Trump, once counted in the climate-change "denial" camp, will be challenged formally again on the topic. Fracking, a Green New Deal, and the future of fossil fuels are on the agenda when the final debate between Trump and challenger Joe Biden takes place Oct. 22.