News tagged with artificial trees

Buying a real Christmas tree is a good thing: expert

The question of whether it is environmentally correct to buy a real Christmas tree has been asked repeatedly in recent years, and an expert in Penn State's College of Agricultural Sciences wants to lay it ...

Dec 03, 2010
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Cooling the planet with crops

(PhysOrg.com) -- By carefully selecting which varieties of food crops to cultivate, much of Europe and North America could be cooled by up to 1°C during the summer growing season, say researchers from the ...

Jan 15, 2009
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