
Paul Krugman @paulkrugman
Yes! This isn't a hard problem anymore, at least not technically or economically. It's all about the politics at this point. — PolitiTweet.org
JesseJenkins @JesseJenkins
How are we going to cut U.S. climate-warming emissions in half from 2005 levels by 2030? With technologies & soluti… https://t.co/7y98V…