Topic: Golden (Colorado)

Did rifle-toting Obama protester help or hurt gun rights?

New laws are allowing more Americans to carry guns in public. But are gun-carrying protesters going too far?

Sunrise for solar heat power

Four technologies aim to use heat from the sun to make electricity. But which one has the edge?

Parents pare school shopping. How to tell the kids?

US guns in Mexico: Will new data help change law?

Democrats are largely avoiding the gun issue, but some hope a new Government Accountability Office report will help tighten rules for gun shows.

A rifle in one hand, a laptop in the other. Behind the scene with pro-gun bloggers

"Cowboy Blob" and other online commentators fill the press box at the National Rifle Association convention.

Why green-power premiums may fade

Pricier options may become obsolete if government requires utilities to bring more renewables on line.

Armed America: Behind a broadening run on guns

Firearms sales have their cycles, but types of buyers – and their motivations – have shifted.

The ‘holy grail’ of biofuels now in sight

Long-promised cellulosic ethanol is in modest production, but hurdles remain.

Worldwide race to make better batteries

The US is a late entry, but new domestic projects are revving to go.

Palin says she would helm energy policy as VP

At a rally in Vienna, Ohio, Tuesday, Alaska governor and Republican vice presidential nominee Sarah Palin said that, if elected, she would lead the nation's energy efforts.

Wall Street’s turmoil tests McCain

Obama goes on the attack with a new ad, while the GOP candidate calls for an investigation.

Obama’s next move: to the center

With his lead over McCain in the polls now gone, the Democratic nominee must woo independents.

New rays of hope for solar power’s future

High cost of fossil fuel and advanced technology improve this energy source’s prospects.

Denver’s second coming-out party

Local officials will showcase at the Democratic convention a city transformed – just as they did a hundred years ago.

The race for nonfood biofuel

High gas prices and politics push companies toward the ‘holy grail’ of biofuel: cellulosic ethanol.

'Small wind' power plants are blowing strong

Climate concerns, rising utility costs, better technology, and new laws are making home units more attractive.

'Small wind' power plants are blowing strong

Climate concerns, rising utility costs, better technology, and new laws are making home units more attractive.