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A future source of such biodegradable plastics might even come from algae-derived oil.

这种未来材料——可生物降解的塑料也许就来自于藻类衍生的油中。

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But a new analysis shows that biodegradable plastics, particularly those that break down fast, are contributing to climate change.

但是一项新的调查显示可降解塑料，尤其是那些快速分解的，正在加剧气候变化。

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Now,small trees dot the once barren schoolyard of a village elementary school, along with special trash cans for biodegradable waste.

VOA: standard.2010.04.01

That it's a non-biodegradable product made from petroleum whereas fur is very biodegradable and has a long shelf-life.

CNN: Fur on the catwalk: Is it worth the controversy?

This is done by encasing them in a thin film of biodegradable material, such as a special plastic.

ECONOMIST: The ne plus ultra of medicine | The

Still in the development phase, it is a tiny, biodegradable mini-implant filled with a thermo-stabilized vaccine that is placed under the skin in a quick, painless process.

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