Natural sciences are concerned with natural phenomena. Its subject is natural reality, and physics, chemistry, biology, astronomy and earth science are the main fields of natural sciences. While natural science research and theories can be regarded as an interpretation of nature, its aim is not only to understand but also to explain. Since their existence in nature, humans have benefited from nature, processed nature, and tried to dominate nature with knowledge and technical advances. For centuries, nature has been used by people without worrying about the future, and the riches of nature have been utilized as if they would never end. However, it is now known by all societies that these resources are not unlimited and they are taking international steps in this regard.