Apart from the build-up of greenhouse gas emissions in the atmosphere, chemicals of particular concern include: heavy metals, nuclear waste, chlorofluorocarbons, persistent organic pollutants and all harmful chemicals capable of bioaccumulation.
Osim stvaranja emisije stakleničkih plinova u atmosferu, kemikalije od posebne važnosti uključuju: teške metale, nuklearni otpad, klorofluorougljike, postojane organske onečišćivače i sve štetne kemikalije sposobne za bioakumulaciju.