Top Pro & Con Arguments


The specific type of CO2 that is increasing in earth’s atmosphere can be directly connected to human activity.

We can tell that CO2 produced by humans burning fossil fuels such as oil and coal [18] is different than naturally occurring CO2 by looking at the specific isotopic ratio. [101] According to the Intergovernmental Panel on Climate Change (IPCC), 20th century measurements of CO2 isotope ratios in the atmosphere confirm that rising CO2 levels are the result of human activity as opposed to gas coming off the oceans, volcanic activity, or other natural causes. [102]

The US Environmental Protection Agency says that “Human activities are responsible for almost all of the increase in greenhouse gases in the atmosphere over the last 150 years.” [19]

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