“…Published to coincide with the Fourth United Nations Environmental Assembly, the Summary for Policymakers of the sixth Global Environment Outlook provides an evidence-based source of environmental information to help policymakers in government, local authorities and businesses achieve the UN's Sustainable Development Goals. Since the first edition in 1997, there have been many examples of environmental improvement, especially where problems have been well identified, manageable, and where regulatory and technological solutions have been readily available. …”