April 21-27, 2014

Friday, Apr 18, 2014 at 09:39 AM CDT

After Year of Extremes, Investigating Effects of Climate Change

After Year of Extremes, Investigating Effects of Climate Change

For the last year and a half, there has been all manners of weather, from a bone-chilling deep freeze to searing heat, drought and fire. NBC’s Ann Curry traveled to far corners of the planet searching...

Friday, Apr 18, 2014 at 09:33 AM CDT

2.7 Million-Year-Old Soil Found Deep Beneath Greenland's Ice

2.7 Million-Year-Old Soil Found Deep Beneath Greenland's Ice

Buried thousands of feet under Summit, the highest point on Greenland's ice sheet, is a soil born before humans walked the earth. The 2.7-million-year-old silt is a remnant of the verdant tundra that...

Friday, Apr 18, 2014 at 09:33 AM CDT

Ohio Geologists Link Seismic Activity to Fracking

Ohio Geologists Link Seismic Activity to Fracking

State geologists in Ohio have for the first time linked earthquake activity in the Marcellus Shale basin to hydraulic fracturing, confirming the suspicions of activists pushing for drilling limits in...

Friday, Apr 18, 2014 at 09:33 AM CDT

Fish-Friendly Dams? Scientists Race to Reduce Turbine Trauma

Fish-Friendly Dams? Scientists Race to Reduce Turbine Trauma

A hydroelectric dam building boom in the Pacific Northwest in the past century drove dozens of salmon runs to extinction and has cost taxpayers billions of dollars to try to save the fish that remain.

Thursday, Apr 17, 2014 at 11:00 AM CDT

The 'Zero-Emission' Engine Is Almost Ready for Prime Time

The 'Zero-Emission' Engine Is Almost Ready for Prime Time

With the aid of government spending and joint efforts by Ford and Nissan, Daimler — Mercedes’s parent corporation — aims to start selling hydrogen-fueled cars to the public as early as 2017.

Thursday, Apr 17, 2014 at 10:33 AM CDT

Hollywood Heavyweights Aim Spotlight on Climate Change

Hollywood Heavyweights Aim Spotlight on Climate Change

As temperatures continue to rise and habitats come under threat, a group of Hollywood heavyweights is seeking to bring the spotlight back on climate change with a new documentary series.