Secondly, natural resources have both social and environmental value. As a result of the best use of selling or exporting these resources, some changes can be done in people and their social and daily activities. For example exporting petrol made some countries very rich and this has reflected on the citizens. They have become very wealthy. They can travel and tour around all the world. They have become able to buy the most modern vehicles and mobiles. All these changes weren't available before exploring the petrol and gas which is one of the most important natural resources. As regard as the environmental change. Some countries used the solar power in generating electricity which is used to make many parks. These parks have become filled with trees and the green color which made the nature is more beautiful. In related to this point, some countries used wind to make wind turbines to generate electricity. They made many large farms in the desert. These farms have become important sources of fruits and vegetables. They also used from the underground water to irrigate these crops.