Oleh : Atep Afia Hidayat - Ilmu lingkungan (environmental science) sudah dikaji oleh banyak perguruan tinggi (PT), baik negeri (PTN) maupun swasta (
CONSERVATION : Conservation is the sustainable use and management of natural resources including wildlife, water, air, and earth deposits. Natural r
POPULATION GROWTH : • Until the Middle Ages, human populations were held in check by diseases, famines and wars, and thus grew very slowly. – It too
