Increases in seeds from pioneer plants and systematic changes in the animals hunted and the trees used for construction and fuel are evidence of environmental degradation.
先锋植物种子的增加，被猎杀的动物以及用于建筑和燃料的树木系统的变化是环境退化的证据。
2
Venter starts the for-profit Synthetic Genomics Inc. (SGI) to work on solving global problems, such as fossil-fuel dependence, environmental degradation and disease epidemics.
The catalytic degradation of waste polyolefins and recovery of fuel oil were studied when applied various catalysts, the pyrolysis mechanism of waste polyolefins was investigated.