David Yarnold

"Fool me once, shame on you; fool me twice, shame on me." We've all heard it -- and lived it -- as individuals and collectively as Americans.

We've all had to confront someone who has fooled or even misled us. But when Big Oil repeatedly tells us a monumental...

What do wind turbines and home prices have in common? Location, location, location.

America needs energy from every safe source possible, but wind power creates unique threats to birds. So it was a big deal when Interior Secretary Ken Salazar announced new wind energy siting guidelines today that will help...

There's a fun infographic making its way around Facebook (it originated in Adbusters) that asks viewers to identify the names associated with a handful of common logos, as well as the names of common leaves.

The point is obvious. Because of the billions invested in corporate branding, we...

Since last fall, a steady stream of damning evidence about questionable relationships, lobbying practices and political bias have been flowing from the Keystone XL pipeline process. This weekend's outrageous revelation that TransCanada supervised the environmental review has poisoned the process beyond repair.

It's time to KO...

Hot enough for you? The oppressive heat that has engulfed much of the nation this summer has been dubbed "The Sweat Ceiling" by D.C. insiders obsessed with the debt ceiling debate.

If you like this summer, you'll love knowing that the deal brokered to avert economic disaster is likely...

The bird you heard singing or saw overhead today? It's pretty easy to take it for granted, but in fact, it might have traveled thousands of miles to get to your house.

It might have been to places where you'd need a passport and vaccinations to visit. Those ducks that...

The question, posed by a black man, left me dumbstruck. "If you leaders of the big Green groups hadn't been a bunch of northeastern white folks for the past 40 years, what issues would you have worked on that would have been different?"

I was, in fact, a Californian, new...

Like the summer weather outside, the fight over a strong climate bill is heating up. The next three weeks will reveal which Senators are serious about fixing the world's biggest crisis, and which are worried about short-term political advantage.

At stake is whether the Senate will consider a strong bill...

With the exception of perhaps Rep. Joe Barton, all Americans are alarmed by the pictures coming from the Gulf of Mexico. The destruction and chaos don't just evoke intense concern for the economy, environment, and way of life for that region. They also raise the most urgent questions about the...

After decades of inaction, this may be the single most important moment in America's search for clean energy. Starting with Richard Nixon, the last eight U.S. Presidents have promised to end our addiction to imported oil and develop our own domestic energy resources. We're now on the verge of unprecedented...