CNN columnist John D. Sutter is spending the rest of the year reporting on a tiny number -- 2 degrees -- that may have a huge impact on the future of the planet. He'd like your help. Subscribe to the "2 degrees" newsletter or follow him on Facebook, Twitter and Instagram. You can shape his coverage.
(CNN)tl;dr version: You can vote on the first story I'll report as part of this new series on 2 degrees Celsius -- which is the agreed-upon threshold for dangerous climate change. Go here if you don't see the poll. Thanks!