Letters to the Editor

Letter: Climate change simplified

To The Editor:

There is a system that Mother Nature has been working on for millions of years. It’s called the carbon cycle, and it allows the earth to both expel carbon dioxide and absorb it in almost equal amounts in order to maintain a balance that provides a stable atmosphere. The forests and oceans are the engines that make the carbon cycle work.

This system was in place long before humans entered the picture. Now human activity adds a relatively small amount to this system, but it’s enough to destroy the balance that nature created. This excess carbon dioxide is left in the atmosphere and is unable to be absorbed. There are arguments that say that forest fires and volcanoes add more carbon dioxide than all human activity. And it’s absolutely true.

But the carbon cycle has been dealing with forest fires and volcanic eruptions for millions of years and was still able to maintain a balance of carbon dioxide moving into and out of the atmosphere. It’s only when you add the extra carbon dioxide created by human activity that the balance is destroyed. Are humans the cause of global warming? Absolutely.

Keith Lau

Huntley

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