Policy Analysis

Policy Analysis

The Paris Agreement's 1.5°C Goal Is Dead. Here's What We Do Instead.

We need to stop pretending the Paris Agreement will save us. The numbers show it won't. Here's how practitioners should actually use the treaty.

Policy Analysis

You Can’t Regulate Your Way Out of Climate Change—But Here’s What Works

National laws like the Clean Air Act show real progress, but global emissions keep rising. Here’s how to think about environmental policy that actuall...

Policy Analysis

Does the US Need a Federal Carbon Price? The Case for a Modest Carbon Tax

Despite decades of environmental laws, US emissions remain high. A federal carbon tax is the missing piece. Here's why.

Policy Analysis

Why Current Climate Pledges Won't Cut It: The 43% Gap

Current national climate pledges fall far short. To limit warming to 1.5°C, emissions must drop 43% by 2030. But we're on track for 2.8°C. Here's the ...