The pioneer of online collaboration explains why peer-to-peer tools are the future.
Is ocean thermal energy conversion finally ready to pump up?
We round up this week's most intriguing items from around the Web.
MIT's top energy researcher gives the lowdown on investigations of sustainability, renewable energy and global warming.
From the editor in chief
Isn't it about time architecture began to fully accommodate sensible automation in the home and workplace?
New superconducting cables are put to the test in Detroit.
New "power electronics" that swap voltage from line to line may be the best-and cheapest-fix for our aging electric grid.
Non-intrusive load monitoring gives detailed views of where power is going, with payoffs for utilities, customers and maybe Big Brother.