degradation factor

基本解释

At the same time, the environment degradation has been the restrict factor of economic development.
同时，环境退化已成为经济发展的制约因素。
The development of mineral resources reasened by environmental pollution and ecological damage has become an important factor in degradation of the ecosystem as a whole.
矿产资源开发所造成的环境污染与生态破坏已成为整个生态系统退化的重要因素。
Increasing of villager's labor intensity (land productivity descent, labor time extension) caused by environment degradation is the important factor to cause the poverty;
因环境退化导致村民劳动强度增加（土地生产力下降，劳动时间延长）为决定贫困的重要因素；

But the report singles out food production as the other major factor driving environmental degradation.