Welcome to our weekly green news roundup. This week we’ve gathered stories about green entrepreneurs, alternative energy sources, bioplastics and more.

Feel free to send along any stories you’d like to see in the roundup by e-mailing me at kasia@azbigmedia.com. Also visit AZ Green Scene for informative articles on sustainability endeavors in the Valley and state.

Body Heat: Sweden’s New Green Energy Source
This article will make you think twice the next time you’re sweating it out at the gym or simply walking to work. Swedish engineers have figured out a way to harness body heat and transfer it to energy for an office building. Though using excess body heat to warm a building isn’t a new concept, transferring it from one building to another is. The future for this new energy source is exciting!

Entrepreneurs Ditch Day Jobs to Create Green mobile apps
Two University of Arizona graduates developed a green application for the iPhone geared toward the environmentally conscious consumer. iGoGreen offers green tips for hundreds of situations.

Solar Inspired, Eco-Friendly Gallery Opens at Arizona Science Center
Arizona Science Center announced the grand opening of its newly renovated gallery, Solarville. This hands-on gallery is focused on sustainability including exhibits on how to harness and distribute sustainable green energy, exploring ways to utilize solar and renewable energy in your everyday life and more. The exhibit opens May 23 and will offer daily demonstrations.

The Promise and Pitfalls of Bioplastic
In a previous post I wrote about petroleum and its strong presence in our everyday products. Since petroleum-based plastics do not biodegrade, bioplastics are hoping to fill the gap. This article discusses the future of the environmentally friendly plastic and its role in a petroleum-based world.