In An Inconvenient Truth, the main greenhouse gas is
carbon dioxide (CO2).
In the documentary "An Inconvenient Truth," the main greenhouse gas that is discussed is carbon dioxide (CO2). Carbon dioxide is released through various human activities, including the burning of fossil fuels such as coal, oil, and natural gas. It is a significant contributor to climate change because it traps heat in the Earth's atmosphere, leading to global warming.
To determine the main greenhouse gas discussed in "An Inconvenient Truth," we can follow these steps:
1. Research the movie: "An Inconvenient Truth" is a documentary film released in 2006 that focuses on climate change. It features former United States Vice President Al Gore presenting a comprehensive slideshow on the subject.
2. Identify the greenhouse gases: Greenhouse gases are substances that trap heat in the Earth's atmosphere, contributing to the greenhouse effect. The most common greenhouse gases include carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and fluorinated gases.
3. Watch or review the film: To find out the specific gas discussed in "An Inconvenient Truth," you can watch the movie or find reliable sources that provide summaries or reviews. Al Gore's presentation in the film goes into detail about various greenhouse gases, their sources, and their impacts.
Before watching the film, it is important to note that while carbon dioxide (CO2) is the most abundant greenhouse gas, other gases like methane (CH4) and nitrous oxide (N2O) have higher warming potentials, meaning they trap heat more effectively.
By following these steps, you can gather the necessary information to identify the main greenhouse gas discussed in "An Inconvenient Truth."