Many of the products people use everyday are made from recycled materials. for example, products such as copy paper and folders are often made from recycled paper. people should take aluminum cans, plastic bottles, and newspapers to local recycling facilities. this reduces the amount of trash that is left on the ground or dumped into landfills, and it makes the environment much more clean. by recycling, people also save energy. products do not have to be made from new material when recycled material can be used. recycling is one small thing everyone can and should do to make the world a better place. what is the controlling idea of this article? a. people should not throw trash on the ground. b. aluminum cans should not be recycled. c. all paper is made from recycled material. d. people should recycle to the environment.