It added that allowing smoking on set could "signal a green light for much more widespread use of smoking in productions".

BBC: Cigarette

Even more significantly, Ankara gave a green light to Iranian gas exports to Europe through the Nabucco gas pipeline which runs from Turkey to Austria.

CENTERFORSECURITYPOLICY: One civilization clashing

As congestion builds on one street relative to another, it adjusts traffic-light cycles to give more green time to the congested lanes.

FORBES: Photograph: Tim Rue

As executive director of Community Health Councils, she and hundreds of residents are asking for more environmental reviews and safeguards before PXP gets the green light to expand to as many as 1, 000 new wells.

NPR: Oil Expansion Plans In L.A. Rile Residents

On one, the light has caused the line between the varying shades of green to become more distinct.

BBC: How to buy jade in Asia

Generally LED bulbs use either a combination red, green and blue LEDs to create white light, or they use a phosphor coating (more common) in combination with a blue LED.

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