Watch How 2011 Became a 'Mind-Boggling' Year of Extreme Weather on PBS. See more from PBS NewsHour.
I'm sure everyone viewing this was affected by at least one of these events. Hopefully the trend doesn't continue this year.
Watch How 2011 Became a 'Mind-Boggling' Year of Extreme Weather on PBS. See more from PBS NewsHour.
I'm sure everyone viewing this was affected by at least one of these events. Hopefully the trend doesn't continue this year.