David Ehrlich's blog

U.K. defense contractor QinetiQ knew enough to not use wax in its unmanned, solar powered test plane.

By keeping away from any melting materials, and sticking with lightweight carbon fibers, the company claims to have hit a new world record of 54 hours at more than 50,000 feet above New Mexico this week.

The current record is 30 hours and 24 minutes, set by Northrop Grumman's Global Hawk in March 2001.

But QinetiQ may have flown too close to the Sun after all, as the flight of its ultra-thin "Zephyr" was not witnessed by officials from the World Air Sports Federation.

The federation keeps and certifies records, the company said.

Absolutely no melty bits >>

Who needs solar panels when you can reduce your carbon footprint from the comfort of your own couch?

Instead of chomping down on popcorn while watching your favorite TV show, you can grab a handful of Terra Nostra Organic chocolate bars.

You may pack on the calories, but you'll be carbon-neutral with Terra Nostra.

The Vancouver-based chocolate maker announced today that it offsets 100 percent of the carbon emissions of all of its bars manufactured in the U.S.

The company said it purchases wind power credits through renewable energy certificate company Clean and Green.