History and projections of global population growth, demographic concepts, migration
Human causes, CO2 and methane levels, impacts on the environment and communities, policy proposals to reduce greenhouse gases
Outdoor and indoor pollution sources, impacts on human health, effects on ecosystems, pollution prevention
Freshwater availability, rising demand and water scarcity, contamination, competition for water resources
Biodiversity, climate regulation, threats to tropical rainforests and temperate forests, conservation strategies
Human impacts on the oceans including overfishing, pollution, warming/acidification and coral reef destruction, ocean management
Food security, agricultural footprint, diet, food waste, climate change impacts on farmland
Types and amounts of solid waste, disposal options, e-waste, life-cycle analysis, the three Rs
Habitat loss, pollution, overharvesting, invasive species, mass extinction, importance of maintaining biodiversity
Fossil fuel use and renewable energy, energy consumption, energy poverty, transportation options
Global wealth gap, inequities in resource distribution, Sustainable Development Goals, U.S. wealth gap
Urban and suburban growth, megacities, local growth, sustainable cities and smart growth
Ecological footprints, needs and wants, impacts of consumer decisions, making sustainable choices
Pollution, sanitation, disease transmission, maternal and child health, healthcare delivery, nature’s cures
Women’s status around the world, girls’ education, family-size decisions, gender roles globally and in the U.S.
