26 January, 2015

Pointing to the past is a fallacious and weak argument


Those who deny climate change point, without fail, to the past to substantiate their arguments.

Doing that, they argue, as they point to the past: “This is not new, it’s happened before”.

Yes, it is unquestionably easy to do that and find the equivalent of what is happening now, but that overlooks two important and critical matters.

Years, often decades stood between events of the past and today those same, or similar disruptive happenings are an annual occurrence.

And worsening that, those places disrupted by those climatic events are more closely settled and so have populations vastly exceeding those of the past.

A modern and current example of that is unfolding at San Paulo in Brazil.

The country’s largest city is nearly out of water and, of course, those who deny climate change, can quickly point to history and say “Oh that happened 80 years ago, so that is nothing new.”

Those justifications overlook the simple and critical fact that eight decades ago, San Paulo was home to just 200 000 people, while today some 20 million people live in the city.

A story on Real Clear Science, headed: “Brazil's Largest City Almost Out of Water”, explains what is unfolding in the country’s capital city.

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