What's the next step to slow global warming?

As the conference on climate change kicks off in Cancun, what's the next step to slow global warming? On the next Your Call, we'll hear a pre-taped conversation Rose Aguilar had with the Center for Investigative Reporting's Mark Schapiro. After the defeat of efforts to pass a cap-and-trade bill, what's the Obama Administration's next move? Is a global approach the way to go, or will real progress be made at the state level? It's Your Call with Rose Aguilar.

Guest:
Mark Schapiro, a senior correspondent, Center for Investigative Reporting

Click to Listen: What's the next step to slow global warming?