Environment

Discovery Channel will premiere "Global Warming: The New Challenge With Tom Brokaw" on March 18.

The hourlong special, shot entirely in HD, is a follow-up to the network's 2006 special "Global Warming: What You Need to Know With Tom Brokaw."

Mr. Brokaw interviews leading experts about the effects of global warming and what Americans should be prepared for in the future. The special also takes a look at promising solutions in the fight against global warming.

"The New Challenge" is produced by NBC News Productions for Discovery Channel.

This follow up to Tom Brokaw's Emmy-award winning special asks what are the most promising scientific, technological, and economic solutions in this country that could have an impact on reversing global warming?

SHOWTIMES (ALL TIMES EASTERN/PACIFIC)
Wed 3/18 10:00-11:00pm (DSC)
Thu 3/19 2:00-3:00am (DSC)
Sun 3/22 11:00-12:00pm (DSC)
Sun 3/22 9:00-10:00pm (GREEN)
Mon 3/23 12:00-1:00am (GREEN)
Mon 3/23 5:00-6:00am (GREEN)
Mon 3/23 8:00-9:00am (GREEN)
Mon 3/23 1:00-2:00pm (GREEN)
Mon 3/23 4:00-5:00pm (GREEN)