[[Environmentalist]]s predict catastrophic [[global warming]] scenarios at the hands of excessive CO<sub>2</sub> released by industrial and commercial activities. A counterargument to this theory is that, the planet naturally gives off carbon dioxide, from natural sources such as volcanoes, and thus, it is not so bad for the Earth. | [[Environmentalist]]s predict catastrophic [[global warming]] scenarios at the hands of excessive CO<sub>2</sub> released by industrial and commercial activities. A counterargument to this theory is that, the planet naturally gives off carbon dioxide, from natural sources such as volcanoes, and thus, it is not so bad for the Earth. |