Plastics are not as safe and inert as previously thought. A new research study written by an international team of researchers uses the planetary boundaries framework to structure the rapidly mounting evidence of the effects of plastics on the environment, health and human well-being. Plastics are not as safe and inert as previously thought. A new research study written by an international team of researchers uses the planetary boundaries framework to structure the rapidly mounting evidence of the effects of plastics on the environment, health and human well-being. Environment Phys.org – latest science and technology news stories