Video duration: 105 seconds
Global video hits: 105578
Natalie Portman, Kyra Sedgwick and Chloe Sevigny explain how an action as simple as changing a light bulb can help reverse the effects of greenhouse gases. Featuring the music of Aimee Mann and remarkable footage from the National Geographic library.
For more information visit:
http://www.green. nationalgeographic.c om/?source=4002
Video duration: 192 seconds
Global video hits: 20282
My Old fishingboat, built in 1953.
It has an old Hundested 2 stroke hotbulb engine. The engine can run forwards and backwards by pushing the fuelpump at the right time. It needs a lot of practice to do it. It´s a wooden boat made by larch and oak.
Video duration: 180 seconds
Global video hits: 3527
The pros and cons of Compact Fluorescent (CF) light bulbs, with specific regard to recycling. While Compact Fluorescents last a long time and save lots of electricity, the CF bulbs contain mercury and must be disposed of properly.
![How it\](http://img.youtube.com/vi/BylLOWRojyY/2.jpg "How it\")
