In the last days of the legislative session, the Massachusetts House and Senate came together to pass sweeping climate change legislation. At the heart of the bill was a commitment to make Massachusetts a net-zero emitter of greenhouse gas by 2050. Governor Baker vetoed the legislation but House and Senate leaders have already committed to passing it again. To help make sense of all this, Eric spoke with Elizabeth Turnbull Henry, President of the Environmental League of Massachusetts. This is that conversation.