G20 leaders reach climate agreement, set carbon neutral goal for 'around mid-century’

Around the world, ever more countries and regions are promising to stop emitting carbon dioxide sometime in the future. The European Union is winning plaudits from green activists for aiming to be “carbon neutral” by 2050. Cities from Adelaide to Boston to Rio de Janeiro are announcing similar goals, with Copenhagen saying it will get there already in 2025.

May 28, 2010 Undue Panic Over Global Warming Bjorn Lomborg, author of "The Skeptical Environmentalist", argues we need to be smart about global warming and not rush into making policies out of panic and fear. 

Lomborg discussed the necessity of designing policies that work for the world's poor in order to seriously tackle global warming with Wall Street Journal editor Paul Gigot on the Journal Editorial Report.