Commentary Archive

What do wind turbines, insulation made from denim jeans, whisper-quiet bathroom fans and Walmart have in common? They were all found at the Northeast Sustainable Energy Association conference and trade show this week in Boston.

EFI, a non-profit energy efficient products distributor, showed me a clever new LED lighting product today that is easy to install and extremely efficient.

Dave Ames, a science teacher at Cohasset High School in Cohasset, Massachusetts built a large cube that represents the size of 1 ton of carbon dioxide. Take a look.

Faced with record oil prices and global warming, the world's leading economies are speeding up their renewable energy installations.

China has created a 'green securities' rule that requires Chinese companies in industries that create the most pollution to get approval from the Chinese EPA before raising money in the Chinese stock market. What is out of place in this picture?

A University of California- Santa Barbara professor and doctoral student have just completed a study on whether setting clocks forward in the spring for daylight savings saves energy and money.

There is a new technology in road de-icing that is replacing rock salt as the preferred treatment for icy and snowy roads. The new technology is sugar beet juice.

Looking back on 2007 it is striking to see all the ways in which reducing CO2 emissions has become a mainstream activity.