Bad atmospherics: smokestacks in Jilin, China, February 2013.

For decades, as the reality of climate change has set in, policymakers have pushed for an elegant solution: carbon pricing, a system that forces polluters to pay when they emit carbon dioxide and other greenhouse gases. Among the places that have imposed or scheduled it are Canada, China, South Korea, the EU, and about a dozen U.S. states. Much as a town charges people for every pound of trash tossed into its dump, these jurisdictions are charging polluters for every ton of carbon coughed into the global atmosphere, thus encouraging the dirty to go clean.

In theory, a price on carbon makes sense. It incentivizes a shift to low-carbon technologies and lets the market decide which ones will generate the biggest environmental bang for the buck. Because the system harnesses the market to help the planet, it has garnered endorsements across the political spectrum. Its adherents include Greenpeace and

To read the full article

  • JEFFREY BALL is Scholar in Residence at Stanford University’s Steyer-Taylor Center for Energy Policy and Finance and a Lecturer at Stanford Law School.
  • More By Jeffrey Ball