Split your class into four groups. Each group will focus on one aspect of Global Warming/ Climate Change:
Causes-- [pollution/greenhouse gases emitted by humans; carbon dioxide, methane, fossil fuels, factories, vehicle emissions, deforestation, etc.]
Effects—[rising temperatures, melting glaciers, rising sea levels, wacky weather patterns, extinction of animal/plant species, spread of disease, change in ecosystems, coral reefs, etc.]
Science – [Greenhouse Effect, graphs of Earth’s past clim