- The highest temperatures on Earth
地球上的最高温度记录 - have all been recorded in its deserts.
全部出现于沙漠中 - Changes in the climate mean temperatures here
气候变化让这里的温度 - are rising more than the global average,
涨幅和速度都超过全球平均值 - and as deserts heat up, they are also expanding.
随着温度升高 沙漠也在不断扩散 - Every year, a further 50,000 square miles of grass and farmland
每年都有近十三万平方公里的草地和农田 - are turning into barren stretches of dust and rock.
变成了贫瘠干涸的尘土沙石