Problem: Greenhouse gas emissions or allow our communities to adapt to climate change impacts. Models help to develop an action plan by testing different scenarios for the best outcomes. Think of how we can make changes to our economy and society to reduce greenhouse gas emissions. As you have learned, there are many ways to fight climate change. It is up to us as a society to determine how to use these actions to achieve a better and more sustainable future for all. Instructions Step 1: Source of greenhouse gas Choose a source that produces greenhouse gas. How does this source produce greenhouse gas? Step 2: Type of greenhouse gas Which greenhouse gas is made by this source? Choose one of the four main types of greenhouse gases to explore: nitrous oxide (N2O), carbon dioxide (CO2), ozone (O3), or methane (CH4). Step 3: Impact on the greenhouse effect How much does this greenhouse gas affect the greenhouse effect? Is it a strong (potent) greenhouse gas? Step 4: Indicator of climate change What observations could you use to observe that the climate is changing? How does this method tell us that the greenhouse effect is changing? Step 5: Impacts of climate change. Need Assignment Help?