Video Report: As the U.N.'s climate change conference kicks off in Cancun, thousands of environmentalists rally in Mexico City
Video Report: We've come to the end of another hurricane season. While the US saw no direct impacts from
Video Report: A powerful storm system continues to move east Tuesday morning. This same system spawned several tornadoes Monday
Video Report: Snowy weather in Seattle caught some drivers off guard. Please note: This video does not have sound.
Video Report: Europe is in the grip of a miserable deep freeze with heavy snowfall and subfreezing temperatures. In
Video Report: Months of drought in Brazil's Amazon region is raising serious concerns about the future of the world's
Video Report: New Zealand's prime minister John Key says the Pike River mine explosion is a national tragedy.
Video Report: Police admit for the first time that they are preparing for deaths after the mine explosion that
Video Report: Rescuers try to get a better idea of what's happening underground at the mine where 29 men
Video Report: An explosion at the Pike River coal mine has left more than 30 workers unaccounted for on