California has some of the most aggressive climate change regulations of any state in the country. But, with greenhouse gas emissions plummeting due to the economic shutdown, those regulations may actually be backfiring.On this week's episode of Parts Per Billion, Bloomberg News reporter David R. Baker explains how the Golden State's so-called "cap-and-trade" system for greenhouse gasses is struggling to function in a pandemic-afflicted world.  Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.