A video discussing how the world is in need of innovative technologies to harvest energy in a new way! [2:25]

How can we make wind power available for all communities? This video explores how windmills can generate electricity for our society. [2:33]

Although we've found ways to generate electricity from renewables, storing energy for future use isn't so easy. Why is this, and what strategies are engineers using to solve the storage problem? [2:26]

We'll talk with the skipper of a bio-fueled powerboat named Earthrace, which just broke the record for circumnavigation of the globe. [17 mins. 48 secs.]

How will energy efficiency standards affect light bulb design?

New solar installations planned on both coasts.

With growing interest in alternative fuels, we'll check in on efforts to create truly green sources of energy, fuel from algae. [20:19]

Ira talks with ethanol biofuel advocate David Blume about common misconceptions about the use of ethanol for fuel, and about Blume's vision for decentralized, community supported ethanol production in the US. [17 mins. 49]

In a state known for oil, can a city change its energy habits? San Antonio's mayor says he wants to make his city a hub for alternative and renewable energy businesses. Ira Flatow and guests discuss how a city can change its energy habits.

An interview with Bill Wiehl at Google about their plans to support alternative energy projects, such as technologies that develop solar thermal energy, wind power, and geothermal energy. Aired Nov. 30, 2007 [11:53]

Why not use micro-organisms (bacteria, viruses, fungus, etc.) to create sustainable energy and fuel? There are a lot of ideas currently being researched and put to use including turning cow manure into natural gas. [4:43]

What will it take to put more electric cars on the road? [2:34]

The gravity-powered device uses a weight to generate up to 30 minutes of light as it descends.

A generator that makes electricity from wave power is being prepared for installation off the Oregon coast.

Texas and California dominate the U.S. in wind power generation but Iowa isn't far behind.

Explore how solar panels can be used to produce electricity. Watch kids use the scientific method to find out how the sun's position in the sky affects a solar car's performance.

Toyota plans to release a hydrogen fuel cell car in California by 2015.

This short video illustrates the alternative forms of energy used by the Center for Sustainability at Penn State University to generate electric power: solar, wind, and biodiesel. [1:58]