Innovation required in risk assessment of nanoparticles The currently existing models and techniques provide insufficient certainties in the assessment of the harmfulness of nanoparticles and nanomaterials to people and the environment.
HFC greenhouse gases accumulate in refrigerators and air conditioners Hydrofluorocarbons (HFCs) are potent greenhouse gases used in refrigerators and air conditioners and are released primarily at the end of the life-span of these products.