https://www.scientificamerican.com/article/in-second-democratic-debate-candidates-criticize-bidens-climate-plans/

DETROIT—Democrats running for president expanded their attacks last night about insufficient climate action beyond the usual targets of President Trump and oil companies. They took aim at former Vice President Joe Biden.

For the second night in a row, 10 Democrats argued about the best solutions for global warming in a primary debate that revealed different views about how strongly the United States should confront rising temperatures.