Climate Change & Global Warming
- December 30, 2009
Has global warming stopped? That's what some people claim, based on global temperatures recorded since 1998. But, scientists say, not setting a new record high temperature each year doesn't mean the globe is cooling.
- December 16, 2009
At the United Nations Climate Change Conference, Dr. Alexander E. “Sandy” MacDonald, of NOAA, used Science on a Sphere® to illustrate how climate change will transform the planet if humans do not reduce emissions of greenhouse gases.