What is the key concept for this section? How has grassroots action improved solid and hazardous waste management in the United States? What is environmental justice and how well has it been applied in locating and cleaning up hazardous waste sites in the United States? What are three factors that discourage recycling? What are three ways to encourage recycling and reuse? Give three examples of how people are saving or making money through reuse, recycling, and composting. Describe the regulation of hazardous wastes at the global level through the Basel Convention and the treaty to control persistent organic pollutants (POPs). What is biomimicry? What is an industrial ecosystem?