Environmental degradation in the world is one of discussing problems in the literature for many decades. There are a lot of factors discussed that worsen our environment. Environmental degradation due to the pollution from fossil fuels induce countries to decrease their use, however, until the productivity of renewable resources reaches the necessary level, countries continue to be highly dependent on non-renewable sources. Another important issue is increasing waste in all spheres of our life. One of the solutions for the environmental degradation slowdown is in circular economy. The circular economy aims to produce as less waste as possible by reusing materials in new productions. The circular economy is becoming part of many different sectors of an economy. This book discusses and analyzes different sectors that are starting to be involved in the circular economy process in Turkey.