Previous studies predicted massive releases of organic carbon from fields converted from grass to corn or other energy crops.

之前的研究表明，由草地转化成玉米地或其他能源作物用地的农田会释放出大量有机碳。

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Planting grass became popular in the 1990s as a way to save highly erodible soils and store carbon in the soil.

作为一种保护极易受侵蚀的土壤和在土壤中储存碳的方法，种草在1990年代很流行。

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Not only does the land produce more grass, said Lovell, but since the grass maintains deeper roots, it traps more carbon in the soil too.

土地不仅可以长出更多牧草，Lovell说，由于草的的根长得更深，它可以让土壤保持更多的炭。

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Millions of tonnes of carbon dioxide could be prevented from entering the atmosphere following the discovery of a way to turn coal, grass or municipal waste more efficiently into clean fuels.

科学家们发现一种能将煤炭、杂草及城市垃圾更有效地转化为清洁燃料的方法，这或许能阻止成百万吨二氧化碳进入大气层。

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The grass and paddy emit low-carbon hydrocarbon compounds.

草地和稻田排放甲烷等低碳化合物。

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Small Density too big when, not only indoor carbon dioxide and hydrogen sulphide ammonia, the harmful gas such as increased, the temperature increases, the air cushion wet grass.

密度过大时，不仅室内二氧化碳及氨气、硫化氢等有害气体增加，空气温度增高，垫草潮湿。

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Small Density too big when, not only indoor carbon dioxide and hydrogen sulphide ammonia, the harmful gas such as increased, the temperature increases, the air cushion wet grass.

密度过大时，不仅室内二氧化碳及氨气、硫化氢等有害气体增加，空气温度增高，垫草潮湿。

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