土壤中碳素的释放能够显著增加大气中CO2的浓度，增强温室效应，从而对全球气候和环境变化产生重要影响。
Increasing release of carbon from the soils could significantly exacerbate the increase of atmospheric CO2 and reinforce the greenhouse-warming effect.
随着地势抬升，山脉的侵蚀逐渐增强，它们吸收大气中的CO2并使温室效应降低。
As they grew higher they were exposed to increased weathering, which sucked CO2 out of the atmosphere and reduced the greenhouse effect.
我国干旱和半干旱地区面积约占全国土地面积的1/2，同时，随着全球温室效应的增强，对抗旱品种的选育将是未来品种的选育的一个重要方面。
China's arid and semi-arid land area accounting for about 1/2, while, with the enhancement of Greenhouse effect, the of drought-resistant varieties breeding will be an important aspect in the future.
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