One of the things I have heard over the years of listening to debates on global warming is that the temperature increase is a natural process. Some people claim that things such as animal waste and volcano eruptions result in the accumulation of greenhouse gases. This is only kind of true. It is true that volcanoes release greenhouse gases, along with all of the different kinds of gases that are in our atmosphere. These gases are needed to keep our planet at a relatively constant temperature. What industrial processes have done is made an excess of greenhouse gases.
This is easily understood when one considers the volcanic eruption in Iceland, which only occurred weeks ago. Yeah, sure that volcano spat out some of those nasty greenhouse gases, but overall, it actually reduced the amount of greenhouse gases in the atmosphere. It prevented many planes from polluting with their own emissions, saving many tons of gas from being dispersed.
We don't really know if the planet is supposed to warm up over time or not. One's thing is for sure though: we are doing it way too rapidly.
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