The California company says the use of the symbol for New York's environmental awareness campaign 'GreeNYC', a green apple logo, would diminish the value of its brand.

纽约市官员辩解说，由一个绿色苹果图案构成的“绿色纽约”标识独具特色，并不容易和苹果公司商标混淆。

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She said the club's Respect the Mountain campaign was helping to raise awareness of environmental issues with skiers.

BBC: Snow cannons pump out artificial snow

And the Advertising Council and Environmental Defense have just launched the first "public awareness" campaign on global warming.

FORBES: Let's Live More Like The Average Chinese or Indian