خرید بک لینک
renewable energiesland degradationdeforestationhazardous wasteclimate change
restricting lawserosionover cultivationwater contaminationglobal warming
wildlife conservationdroughtpoaching and over fishingsmogfossil fuel
less productivebiodiversitypollution/pollute/pollutantemissions
sustainablethe balance of ecosystemozone layer depletiontoxic fumes

برچسب: نویسنده: ابوالفضل شریفی تاريخ: شنبه 17 اسفند 1398 ساعت: 0:32

صفحه بندی