Over the last five decades, improved farming techniques and technologies have helped to significantly increase crop yields along with a 12% expansion of farmed land use.
在过去50年里，改良的农业科技技术显著提高了农作物的产量，耕种面积扩大了12%。
Experts at the us Environmental Protection Agency (EPA) in Washington claim that the world is braced for an increase in outbreaks due to global warming and changes in land use and farming practices.
华盛顿美国环境保护署(EPA)专家宣称，由于全球变暖以及土地利用和农耕方式的改变，世界将迎来日益恶化的疾病蔓延。
Even if organic farming does consume a little less energy and produce a little less pollution, that must be offset against lower yields and greater land use.
即便有机种植的确消耗更少能源，产生更少污染，但也会被低产以及使用更多耕地所抵消。
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