Earth: New Gold Prospectors
Gold prices are at all-time highs and a new gold rush is on in Alaska. Watch as Jorge Ribas finds a few prospectors looking to strike it rich in this Discovery Channel video.
Most Watched in Green Science
Invention Nation: Algae Biofuel
Scientists are working on a way to make biodiesel from algae in Norfolk, Virginia. Watch this video from the Science Channel's "Invention Nation."
G Word: Magnetic Power
See how magnets are used to generate power in this video from Planet Green's "G Word" series.
G Word: Styrofoam Recycling
Waste Sleuth, Todd Sutton gets to the bottom of Styrofoam recycling. Learn more about the process on Planet Green's "G Word."
G Word: Gotta be the Tubercles
In their quest to increase the efficiency of wind turbines, researchers incorporate the shape of the hump backed whale's tubercles in their turbine design. Check out this clip from Planet Green's "G Word" to learn more about wind turbines.
Invention Nation: Thermal Acoustics
The Invention Nation Team checks out a system to transform sound waves into refrigeration. Watch this video from the Science Channel's "Invention Nation."
G Word: Battery Recycling
In this clip from Planet Green's "G Word," Todd Sutton the Waste Sleuth gets a recharge from battery recycling.
How Do They Do It: Lords of the Landfill
Meet the lords of the landfill, the bulldozer and compactor, on this episode of Discovery Channel's "How Do They Do It?" See how garbage is converted to energy at a landfill just outside San Francisco.
Stuff Happens: The Attic
We all know that asbestos is harmful, but what happens to it when it leaves your attic and is replaced by new insulation? Bill Nye is here to tell you all about it in this clip from Planet Green's "Stuff Happens" series.
Assignment Discovery: Aquifers
Subterranean pools of water are called aquifers. Scientists explain concerns about mineral matter contaminating aquifers. Learn more with this clip from the Discovery Channel series, "Assignment Discovery."
Dirty Jobs: The San Francisco Dump
At the San Francisco dump, food is separated from waste material and used in an eco-friendly power plant. However, as "Dirty Jobs" host Mike Rowe is about to learn, this process still requires a human touch.
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Fabulous Beekman Boys: Oh, Doctor!
Josh and his mom sit outside the hospital in Flushing, NY, hoping that a rich doctor will stop by, notice them and sweep them off their feet.