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Incandescent light bulb

A life-size cardboard cutout photo of Japanese scientist Hiroshi Amano, a professor at Nagoya University, is surrounded by his laboratory staff members as they raise hands and shout "Banzai", or "Cheers."

The blue LED just won the Nobel Prize, but we’ve been reaping its benefits for years

Science

The Nobel Prize for Physics went to three scientists who developed blue LEDs, or light emitting diodes. That may sound a little down-to-earth, but blue LEDs basically make energy-efficient LED lights possible, and they’ve already delivered huge savings and environmental benefits.

Shedding light on the light bulbs debate

Environment

New energy standards for light bulbs

Environment

A Bright Idea?

The World

A Bright Idea

Pundits Blow Whistle on Green Police

The green police bust perps for minor eco infractions in a Superbowl Ad, but environmentalists, conservatives and industry folks are not laughing.

Out of This World Art

An art teacher has turned her classroom into a spaceship where middle school students ride a stationary bike to generate power.

The World

Bright Ideas on Energy Efficiency

Negotiations between environmentalists and the lighting industry could end use of the wasteful incandescent light bulb- saving billions in electricity costs and cutting greenhouse gas emissions.

The World

Space Survival

A team of University of Arizona scientists use hydroponics ?a self-sustaining watering system ?to grow plants in a greenhouse designed for Mars.

The World

Listeners respond: living without

Arts, Culture & Media

Last week we imagined what it would be like to live without some of our modern comforts. Could you survive without air conditioning? What about the light bulb? Listeners joined the conversation.