- World leaders and diplomats have been gathering in Paris for COP21 climate talks
- John Sutter: A major problem in energy efficiency technology is transmission
CNN Opinion columnist John D. Sutter is reporting on a tiny number -- 2 degrees -- that may have a huge effect on the future. He'd like your help. Tell him how you fear climate change could affect you personally, and you could be part of CNN's coverage.
You can also subscribe to the "2 degrees" newsletter or follow him on Facebook, Twitter and Instagram. He's jdsutter on Snapchat. You can shape this coverage.
Paris (CNN)Something pretty rad happened the other day: I met Bill Gates.