When 3D printing began to emerge into the mainstream, many people touted it as the ultimate green, zero-waste alternative to traditional manufacturing methods. It hasn't quite lived up to those expectations - the amount of energy used by 3D printers remains a concern, as do fumes and excess plastic. However, the 3D printing industry and its consumers are a largely conscientious and responsible lot, and manufacturers and makers alike have developed ingenious solutions to not only the environmental problems posed by 3D printers, but to wider environmental issues on a global level. On the whole, 3D printing has done a great deal of good for the environment. Read more at 3DPrint.com: https://3dprint.com/144928/3d-printing-environmental/