This chapter describes the significance of recycling in combating environmental pollution and global warming with historical, present, and future trends. Starting with prehistoric concepts of recycling and the reuse of resources, the review outlines the major events like the recycling movement following World War II and the environmental movements of the 1960s and 1970s. In the present world, recycling is an industry and for the same, there are difficulties of low participation level in developing countries; recycling is defeated by contamination, and participation is costly. Recycling rates across the globe for plastics, for example, are estimated to be 14%, of which only 9% are recycled. On the other hand, the more developed countries, such as Germany, recycle municipal solid wastes at 67.7%, while the United States at only 31.7%. Recycling is also known to play a crucial role in combating climate change since it reduces greenhouse gas emissions. Such as reusing aluminum requires as much as 95% of energy necessary to produce new aluminum; the European Union recycling efforts have cut emissions by 230 million metric tons of CO2 every year. However, challenges like global market instabilities and inadequate infrastructure in low-income countries are some challenges that are still experienced. Recycling’s future can be seen in continued increases in technology and policy improvement and greater consciousness of people. Future technologies such as chemical recycling and artificial intelligence-based sorting systems will further increase the effectiveness of recycling. Therefore, increased global policies and a circular economy could further advance the contribution of recycling to environmental conservation and the fight against climate change.