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.

High-tech companies like web hosting provider Rackspace face a dual challenge in the green business world: greening their operations and helping their clients get green at the same time. The company's CTO, John Engates, explains how greening their data centers has caused ripples throughout their company and the industry.

In this episode of GreenBiz Radio, Columbia Forest Products' John McIsaac discusses the ups and downs of developing and marketing green products in a conservative industry: "What we call green building right now, in five years that will just be building."

An in-depth, behind the scenes look at how Big Blue developed its Big Green Innovations project, where the company thinks its ambitions will take it, and how it will shape the future of technology.

<small>By Fiona Williams Smith</small> <br>In their buildings, classrooms and across campuses, California's public universities are leading the country in the race to save energy by developing cutting-edge technologies and innovative public-private partnerships that reduce energy use.

Possibly the best example of doing well by doing good, working in socially responsible finance can incorporate personal values and societal concerns with investment decisions, and help individuals, groups or large companies support sustainable business efforts.

Groups trying to influence the environmental performance of large companies often focus -- with mixed results -- on the top executives. But to understand the mind of the middle manager, who can influence both upper management and lower-level workers, is to understand how to make change happen.

Executives are lining up for the opportunity to prove their commitment to the triple bottom line, but many are overlooking the potential of using green design to renovate their facilities as a resource- and cost-saving part of their environmental goals.

<small>By Kivi Leroux Miller, GreenBiz</small> <br>Where did one of the world's largest PC makers and one of North America's largest newsprint manufacturers turn when they needed help solving big recycling problems? To small, community-based nonprofit organizations.