Climate change due to global warming is inevitable. In fact, it's happening now. What are the potential consequences for people in the United States and around the world? What can be done to prepare? Also, tens of thousands of Iraqis protest on this, the fourth anniversary of the fall of Baghdad and, on Reporter's Notebook, from Arizona's border with Mexico to new battles on Capitol Hill, President Bush re-visits immigration reform.
Climate Change: Adapting to the Inevitable
From this Episode:
With Global Warming Already Here, What Do We Do about It?
Climate change is no longer a question of "if" or "when." The impact of warming is evident right now—and so is the human contribution. Even if greenhouse-gas emissions are...
President Bush Re-focuses on Immigration
On Saturday, thousands of people marched in Los Angeles, some of them claiming that President Bush had broken a promise on immigration reform.