أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
becuase it is help to setting goals orgnization,
Help of various environmental factors in a statement available resources,
1- to save the climate change and decrease the global warming
2-to save on resources from air and waters and soil
3- to save on life of animals, marines and plants
4-and then and finally to save on the human health