Greening up the most traditional of Valentine's Day gifts is harder than you'd think, since most cut flowers are imported by plane at this time of year.

让这种最传统的情人节礼物环保起来可是比想象中要难，因为每年的这个时候，大多数的花都是空运进口的。

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This city rules that in city area public places within the scope of the greening programme, this year will not allow individuals or work units to spontaneously plant green.

该市规定在绿化规划范围内的城区公共场所，今年不再允许个人或者单位自发植绿。

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To this end, it allocated large funds year after year for the greening of the city.

为此，年年拨出巨资用于城市园林和绿化事业。

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Since becoming development secretary last year, Ms Greening has ended direct financial aid to India and ordered a review of all contractors.

BBC: Farmers work in a field in Jalalabad, in Afghanistan

Yes, the talk this year will be about greening the global economy.

FORBES: 2012: The Year of Talking Green

Earlier this month, the Alberta government brought out a 20-year plan for the greening of the tar sands, which, while light on details, showed more than the usual resolve.

ECONOMIST: Stephen Harper looks to Washington, not Alberta