Where they stand: The Environment.

The CBD graded the 2020 Democratic candidates on four key environmental areas ("We evaluated every candidate polling above 1% in the latest national polls. We did not evaluate former New York City Mayor Michael Bloomberg because of his decision not to participate in any Democratic debate, build a grassroots network of supporters or compete in any of the early state caucuses or primaries"): Environmental Voter Guide (Center for Biological Diversity Action Fund)