Business & Technology

Why China's winning the cleantech contest

One Block Off the Grid, a company that organizes collective purchasing for green home improvements, put together a very loooong infographic about, in their words, "Why China is Kicking Our Ass in Clean Tech." Fast …

Paper antennas pull electricity from the air

The air is full of energy -- not in a woo-woo crystal-gazing way, but in a scientific electromagnetic-radiation-from-TV-stations-and-phone-networks kind of way. That ambient energy is just being wasted. But a team from Georgia Tech is …

Where do greenhouse gases come from?

This chart from the United Nations Environment Programme (click to embiggen) looks complicated, sort of like a traffic sign cross-bred with a banyan tree. But it basically just traces the path of greenhouse gases from …

Amazing bamboo bike is grown, not manufactured

The complicated weave of the Ajiro bike would be work-intensive to achieve through conventional means -- it takes a lot of energy to bend bamboo stalks into shape. So instead, design student Alexander Vittouris tensioned …

Warren Buffet's crazy-like-a-fox plan to revive America's auto industry

Warren Buffett, legendary investor and one of the world's richest people, is about to leverage his part-ownership of China's largest battery manufacturer to deliver a shot in the arm to America's ailing auto industry.


Why is Michelle Obama’s food initiative promoting Walmart?

At Michelle Obama's event announcing that several retailers will open stores in "food deserts," James Gavin said he'd like to see Walmart double its U.S. store count.

Critical List: Operators say the grid can handle the heat; green tech investment down

Grid operators say they're ready to handle the extra load that air conditioners and other cooling devices will put on electricity supplies during the heat wave. Venture capitalists invested less money on green tech projects …


Dudefest no more? Women are infiltrating cleantech

Men are running the show at most of the companies pushing renewables, efficiency, clean cars, and the smart grid -- but that's starting to change.


The top 12 women of cleantech

While the clean-energy sector is very much a boy's club, women are starting to break down the clubhouse door. Here's a list of top women in cleantech.