They are trying to wean themselves off fossil fuels, grow their own food and timber, acquire fewer frivolous possessions and produce less waste.

他们试图不使用化石燃料，自己种植粮食和木材，减少废品和垃圾的产生。

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On Vancouver Island, lumber men are demonstrating a new technique for cutting timber that used to be considered waste.

在温哥华，木材业者在演示一项新技术，切割过去认为是废材的木头。

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Garcia seems to see rainforest as a waste of good resources, saying of the Amazon's trees: "There are millions of hectares of timber there lying idle."

加西亚似乎把雨林看成对良好资源的一种浪费，他称亚马逊的树木“有数百万公顷的木材被闲置。”

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"It's not our long-term solution because of the competition with feed, and fuel competition, but it is prompting us to put into place a refueling infrastructure that could be used with cellulosic ethanol, " made from other types of plant material such as timber waste or switch grass.

CNN: Ethanol: Is it friend or foe?

Corn stover, garden waste such as grass clippings, and offcuts from forestry and timber production are better bets, she reckons.

ECONOMIST: Biochar could enrich soils and cut greenhouse gases as well