- What is a greenhouse gas?
- When and why is carbon dioxide considered a pollutant?
- How do scientists know that humans are responsible for the increasing levels of carbon dioxide in the atmosphere that lead to climate change?
- What are the consequences of increases in the concentrations of carbon dioxide and other greenhouse gases?
- What are some options suggested to help combat this issue?
In your Individual Post, label your answers #1-5 so it is clear which question you are answering. Be sure to cite and reference your sources in APA format