With its Considered design ethos, Nike is increasingly developing and reimagining shoes in innovative ways to reduce waste and chemical use, all while maintaining the brand's high performance standards. Lorrie Vogel, the General Manager for Nike's Considered products, explains what makes a product Considered, and how the company has turned trash into treasure.

As IT needs take up an ever-bigger part of companies' energy bills and purchasing budget, the costs of maintaining computers based on their performance per dollar are growing exponentially. Ken Brill of the Uptime Institute spoke with GreenBiz Radio about the surprisingly easy ways to drop IT costs while improving performance.

Khosla, one of the founders of Sun Microsystems (and thus Silicon Valley as we know it today), is a venture capitalist heavily involved in green technologies ranging from energy-efficient IT projects to biofuels research. He spoke with GreenBiz Radio about what it will take to keep the green momentum moving.

As the two-day conference wound down, designers take the stage to look the state of the art and discuss what's yet to come.

Real-world innovations, 'green gurus' and tools and strategies to expand design's benefits were among the offerings at the Greener by Design yesterday.

Startups and Industry leaders came together at the Friday morning sessions at Greener by Design to share how they brought sustainable business goals to bear on their operations either from the outset or after decades of 'business as usual.'

Terry Cullum, General Motors' director of corporate responsibility, talks to GreenBiz Radio about how the company addresses sustainability in ways above and beyond their vehicles, as well as how the company is looking to shift strategy and production to meet the rapidly changing demand for small cars in the U.S.

Tom Szaky, CEO of a company that made its name selling fertilizer made from worm castings, talks to GreenBiz Radio about making the greenest possible products from other people's trash, turning the production cycle on its ear, and other ways that companies can design products that turn waste into gold.

The second annual Green Business Conference takes place in Chicago this month; in advance of the gathering GreenBiz Radio sat down with Denise Hamler, director of Co-Op America's green business programs, to learn how the world of green business has grown.