We need to really use the full force of diplomacy. And we need to be seen and understood to be on the side of diplomacy and international law.

We call for a green New Deal, like the New Deal that got us out of the Great Depression, but in this case focusing on green jobs to create 100% clean renewable energy by 2030, which is exactly what the science calls for.

The first time I ran for office in 2002, running for governor in Massachusetts against Mitt Romney, we actually worked with a Democratic legislator to file that bill, so that there would be no risk of splitting the vote. The Democrats had about 85% of the Legislature at that time. They could have easily protected their access to the governorship. But they refused to do so. They wouldn't let the bill out of committee.

The Keystone pipeline will spew a massive amount of carbon pollution into our fragile atmosphere. It should be stopped.

We're not out holding fundraisers in the Hamptons or in Beverly Hills.

The idea here is for communities to decide how they meet these criteria for becoming sustainable economically, ecologically and socially.Through a community decision-making process. And exactly how that would be configured, you know, remains to be established. The process of community budgeting, participatory budgeting, is one model that's been suggested.

I feel so bad for him [Bernie Sanders]. It's really unfortunate that he's been caught in the crossfire here.