The rise of atmospheric carbon dioxide levels over the last century is due primarily to the burning of fossil fuels.

Question

Quizplus · Accepted Answer

Multiple studies have shown that the increased carbon dioxide levels in the atmosphere are mainly due to the burning of fossil fuels such as coal, oil, and gas. These fuels release carbon dioxide when burned, which accumulates in the atmosphere and contributes to climate change.

The Rise of Atmospheric Carbon Dioxide Levels Over the Last