Can a tax help cut down greenhouse gas pollution?

Aired: 4/21/2016 | 0:09:27 | Clip
Is making pollution expensive the best way to combat climate change? Economist Yoram Bauman thinks so -- he’s spearheading a campaign for a carbon tax in Seattle. But the proposal is raising opposition, and has brought together some unlikely bedfellows on both sides of the debate. Economics correspondent Paul Solman reports.