It’s hard to think of a policy move that could more directly target the core of climate science than the Trump Administration’s decision to undo the Environmental Protection Agency’s (EPA) Engagement Finding this week. The Engagement Finding, reached by the EPA in 2009, outlines how greenhouse gas emissions threaten public health and welfare—thereby laying out the legal basis for the agency to regulate those pollutants. As wonky as it may be, the finding is the linchpin of EPA climate