solar cell technology

Panasonic Corp.'s plans to take over rival Sanyo Electric Co. would create the world's second-largest electronics maker. But Panasonic already has plenty of gadgets. Instead, the crown jewels Panasonic wants from Sanyo are green.

For us eco geeks, windows have traditionally been seen as a weak link in building design. Although they allow essential light into a building, they are a leading culprit for thermal energy loss.

For us ecogeeks, windows have traditionally been seen as a weak link in building design. Although they allow essential light into a building, they are a leading culprit for thermal energy loss.