Look out, Al Gore. Planet-saving technology entered our orbit a few times this week, and we're not talking about some rocket with Bruce Willis on board. Most fascinating (and innovative) was this Lunar Street Light concept, where lampposts would dim according to phases of the moon. Might not be the greatest thing for inner cities, but in the suburbs, why not?

For daytime environmentalism, the Intelliglass water-cooled windows might help that office tower you're building save a bundle on air conditioning. And in case you were thinking of eventually cremating yourself to be eco-friendly, a new method called Resomation is even better. Not to overlook the less green parts of the gadget world, columnist Stewart Wolpin explains why you're paying too much for HDMI cables in this week's Shift.

Top stories from the week:

Saturday: Stallion three-wheeler rides like a rocket
Sunday: Peer Review: Second Life bans gambling
Monday: Battery-powered car breaks world speed records
Tuesday: Apple unveils new brushed-aluminum iMacs
Wednesday: Cybernetic hand to be ready for Bionic Fashion Week 2009
Thursday: New luxury blimp takes your office to new heights
Friday: RAZR2 hits Verizon and Sprint stores