Business & Technology

ten dollar milkshakes, half off every day

$5-a-gallon gas can be good for the environment — if we seize the moment

John Hofmeister's prediction that gasoline prices could hit $5 per gallon represents an enormous challenge and an important opportunity.

Eyes on a Clean Energy Prize

The Zayed Future Energy Prize is $2.2 million equivalent of a Nobel Prize for clean, sustainable energy recognizing individuals, non-profits, and companies that are doing …

New Year's revolution

Cleantech momentum gives reason to be optimistic in 2011

Smart entrepreneurs see the "green" in green, and don't want to miss out on the next big industrial revolution transforming the global economy.

Solar eclipse

Dark days for solar? Huge California project sold off

A setback for efforts to meet California's mandate to obtain a third of its electricity from renewable sources by 2020.

finger-clickin' good

The 10 most popular Grist posts of 2010

From Audi ads to BP coffee spills, with locavore ball-busting and Obama-baiting in between, here are the stories you loved to debate this year.

Native sun

Native American group sues to block California's big solar projects

If 2010 was the year of big solar projects, 2011 is shaping up to be the year of big solar litigation. A Native American group has sued to block construction of six huge solar thermal power plants.

Thinking ahead

IBM heads to Rio with its Smarter Cities program

IBM has partnered with Rio de Janeiro to create an operations center that will give the Brazilian city's emergency-management team access to a vast array of data.

some of them want to be used by you

'Collaborative consumption' can put your underused stuff to work [VIDEO]

Rachel Botsman, coauthor of a book on collaborative consumption, details a 21st century economy rising up to take advantage of all our unused stuff.

As the caulk crows

Energy efficiency: the unsung hero of our times

As our economy continues to sputter, one little-noticed industry has been booming for a while now: energy efficiency.