Natural environment is of crucial importance for social and economic life. We use the living world as<span>a resource for food supplyan energy sourcea source for recreationa major source of medicinesnatural resources for industrial products</span><span>In this respect the diversity of nature not only offers man a vast power of choice for his current needs and desires. It also enhances the role of nature as a source of solutions for the future needs and challenges of mankind.</span>
There are 195 countries in the world today
