Resumo de Climate Change - What Is It?

Climate change is an amazingly simple phrase for such a complex subject.
Following, we have a go at defining climate change in today's terms.

Climate Change - What is it?

In the current day lexicon of scientists, climate modification isn't really
a term of use anymore. The reason for this is that we have come to understand
that the effect of the changes we make to our environment will increase the
temperature in many locations on the planet, but will also cool a few places.
In light of this, the thing you know of as climate modification is actually
referred to as global climate change. Over all, however, the world is
definitely warming.

We need a simple definition for climate change in relation to the warming of
the planet, one that gets the gist without excluding the simplicities. The
simplest and most accurate definition is that climate change is the effect
greenhouse gases have on the earth's climate. Greenhouse gases include, but are
not limited to, carbon dioxide and methane. While this sounds like a simple
definition, there are a couple of key things to realize.

First, climate change is both a natural phenomena and one created by man.
Put another way, greenhouse gases are a natural part of the biosphere and would
exist if man did not. Indeed, they are a critical component to the existence of
life on this planet. If greenhouse gases didn't exist, the temperature on
planet earth would average zero degrees! Naturally occurring gases, however,
keep the temperature at a much more livable 59 degrees.

So, if climate change occurs naturally, what is the big panic about? The
problem we are facing is the volume of greenhouse gases in the atmosphere.
These gases act as thermal blankets for the atmosphere. The more gas in the
atmosphere, the thicker the blanket and the less heat escapes. Over the last 80
years, we have been pumping massive amounts of greenhouse gases into the sky.
At the same time, we have been reducing forestation around the planet, the
primary plant collection that sucks greenhouse gases out of the atmosphere.
This double whammy is starting to show negative results, the increased heating
of our world.

The ultimate question with climate alteration is what will happen as the
planet heats up. We are already seeing signs with the retreat of the glaciers.
Glacier National Park, for instance, is going to have to be renamed since it
has already lost 65 percent of all of its glaciers! While the exact end result
of these environmental changes is not clear, we can expect major climatic
changes over the next 80 years.

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