Much like the sahara in africa , desertification also threatens south australia .
正如撒哈拉沙漠之于非洲,荒漠化同样威胁着南澳大利亚。
The climate is worsening , with deforestation and desertification still on the march .
随着仍在进行的乱砍滥伐和荒漠化,气候也在恶化。
The sahel has been degraded by human use , not natural desertification ; the natural process has been the reverse .
撒哈拉草地的退化是人为的,与自然荒漠化无关;这一自然已经开始逆转。
Whether it 's rising sea levels , desertification , torrential monsoons , melting glaciers or ocean acidification , climate change is rapidly altering the landscape of our planet .
无论是海平面上升,荒漠化,季风暴雨,冰川融化或是海洋酸化,气候变化正在迅速改变我们这个星球的景观。
This is compounded by issues such as the unsustainable exploitation of fresh water and desertification where the sahara advances south by more than 40km a year .
而淡水资源的过度开采和沙漠化使上述问题更加严峻撒哈拉沙漠目前正以每年40多公里的速度向南延伸。
Ibrahim is one of an estimated 10 million people worldwide who have been driven out of their homes by rising seas , failing rain , desertification or other climate-driven factors .
The good news is that a growing number of countries and regions most vulnerable to desertification pressures are now starting to address the threat .
好消息是越来越多的遭受沙漠化威胁的国家和地区开始着手解决问题。
Rain will fall harder in the places where it falls today , increasing flooding ; but in places already prone to drought things will by and large get drier , sometimes to the point of desertification .
Scientists fear that at levels above that , the likelihood of " feedback " effects which amplify temperature rises could result in runaway climate change - a rapid acceleration in temperature and effects such as more violent storms , desertification and a sharp reduction in agricultural productivity .
People have been displaced from their homes by natural climate change for tens of thousands of years , and by manmade climate change for millennia ( think of the desertification caused in north africa by roman grain production ) .