TPM's Ari Hoffman blasts climate czar John Kerry's suggestion that people flying in private jets to Davos to talk about climate change is OK because they buy "offsets"
Biden: "I think the one thing this has finally ended is the discussion about whether or not there's climate change and we should do something about it."
Biden's Commerce Secretary: "Forget about clothes on [your kid's] back. They're not going to be able to have a life if you don't deal with climate change"