After DNC chair Tom Perez promised the issue would "feature prominently" in the debates, climate activists were disappointed by how little attention it got.
The Trump administration is trying to make climate denial more mainstream. In response, Democrats should center climate science and policy in their upcoming primary debates.
To avoid allegations of favoritism, the DNC debate line-ups were randomized—to the benefit, or detriment, of Elizabeth Warren, depending on who you ask.