Knowing and Acting

11 07 2010

What if you knew the code to enable you to predict the future? Some think this would be marvellous, while others think it would make life a little boring.

You will have seen movies that show how people predict what is going to happen in the future. Many discussions continue on what Nostradamus was able to predict. Irrespective of what you believe in this area we are able to predict many events with great certainly over short periods.

Take for example heavy rain happening in the mountains. The people downstream know that they have certain period of time to react before the water levels at their part of the river will rise. They have been able to measure the rainfall in the hills and compare that with the rise in the water level at different places along the river and the time at which the water was highest. They know that if the rainfall in the hills reaches a certain amount then the downstream river banks will be breached. So they take action and sandbag the riverbanks or leave the low level areas.

You may be asking, why are you telling me such basic knowledge? Well this scenario can also be used to highlight what may be the very slow reaction that people have to climate change. Scientists know that the way we are treating the environment today will have flow on effects. The have measured many different components of our natural environment and have been able to correlate changes within their measurements with such certainty that they believe that they can predict what the future impacts will be.

While most of the effects of climate change will take a lot longer than the time it takes rain from the mountains to raise the level of rivers downstream, this slower rate of change is certainly not a reason not to act with as much haste. While the water levels in the river may rise and fall quickly, the impact of factors that are creating climate change will be with us for a considerably longer time.

We certainly are living in a time of knowing how our actions as humans collectively are affecting our future sustainability, so why do we not act with the required urgency?

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