Passenger rail
January 23, 2014

There is great potential for the collective actions of many individuals worldwide to reduce global warming by making changes in their daily and annual activities that produce heat-trapping gases and aerosols.

Solar grid
January 23, 2014

In principle, we can slow the rate of global warming by slowing the emission rates of heat-trapping gases—mainly carbon dioxide—and black carbon aerosol to the atmosphere. The challenge in slowing or reducing global warming is finding a way to make these changes on a global scale that is technically, economically, socially, and politically viable.

Montzka in a snow pit in Antarctica
May 18, 2015

Some of the chemicals that replaced ozone-harming CFCs are long-lived greenhouse gases. At NOAA's lab in Boulder, Colorado, chemist Steve Montzka leads the effort to monitor the concentration of CFC-substitutes and their potential impact on global warming.

October 27, 2014

In the Southeast, a conventional crop rotation is two years of cotton followed by two years of peanuts. In this extended interview, Ron Bartel explains why farmers should consider a grass rotation, as well.

February 15, 2012

Climate scientist Michael MacCracken explores some of the scientific, legal, and ethical implications of "geo-engineering" options that have been proposed by some people to address global climate change.

February 15, 2012

Claudia Mengelt and Robert Fri talk about strategies for adapting to and reducing global climate change.

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