Big climate report: Warming is big risk for people

FILE - In this Jan. 9, 2008, file photo provided by UNICEF a woman and child wade in flood waters in Mutarara, Mozambique in the Tete district. Thousands of people who lost their homes in floods last year are at risk again as the rising Zambezi river waters threaten their resettlement camps. Top climate scientists are gathering in Japan to finish up a report on the impact of global warming. And they say if you think climate change is only faced by some far-off polar bear decades from now, well, you’re mistaken. They say the dangers of a warming Earth are immediate and human. (AP Photo/Theirry Delvigne-Jean UNICEF)If you think of climate change as a hazard for some far-off polar bears years from now, you're mistaken. That's the message from top climate scientists gathering in Japan this week to assess the impact of global warming.