Greenhouse Gases (site)https://www.ncdc.noaa.gov/monitoring-references/faq/greenhouse-gases.php
This site gives a description of most greenhouse gases including water vapor, carbon dioxide, methane, ozone, chloroflourocarbons, sulfur hexaflouride, and nitrous oxide, among others.
Climate Change Wildlife & Wildlands Teachers' Guide (lesson plan)https://www.globalchange.gov/browse/educators/wildlife-wildlands-toolkit/materials
This site presents materials and lessons that focus on the impact of climate change on wildlife and habitats.
Climate Momentum Simulation (interactive)https://www.climateinteractive.org/tools/climate-momentum-sim/
This interactive model projects changes to greenhouse gases, global temperature change, and sea level rise in response to policy changes that regulate greenhouse gas emissions.