vulnerable[易受伤害的]

　　-eg: People's health is vulnerable to the pollution of any type.;

　　deterioration[恶/退化]

　　-eg: climate deterioration VS.amelioration[改进/改善];

　　fossil fuels[矿物燃料];

　　packaging[包装]

　　-eg: Most of this rubbish comes from the packaging.