The climate change summit that starts today in Copenhagen is bringing together officials from nearly 200 nations, including President Obama, who will fly there next week. One of the goals is to get countries to cut greenhouse gas emissions, which scientists say are heating up the Earth and doing damage to the world our kids and their kids will inherit.
But is the problem as bad as some people make it sound? Critics say e-mails swiped from a British university suggest researchers could be putting their own spin on reality. The controversy is creating political fireworks all the way to Washington. Our Jim Acosta has the report.