Not only does Ally #1 have a lengthy article in the latest Sierra Club magazine, but the issue covers a group of innovators undertaking some very WorldChanging projects, including: the guy who developed the infrared-sensitive, quantum-dot based plastic solar cells; an Australian company using biomimetic design to improve industrial efficiency; and a profile of Natalie Jeremijenko (whom Emily interviewed for us last year), for example, updates us on some of her latest environmental technology ideas:

...creations include a particulate-sensing "Clear Skies" mask bicyclists can wear to find out what's in the air they breathe, a virtual tree that can be grown on a computer desktop (its rate of growth is determined by a CO2 meter plugged into the computer's serial port), and a "printer queue virus" that counts the number of pages consumed by a printer and spews out a cross section of a tree stump when it's used up a tree's worth.