Project Green: Mega Cavern using natural heating to go green

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WHAS11.com

Posted on June 1, 2009 at 6:00 PM

Updated Thursday, Oct 15 at 3:45 PM

(WHAS11) - An area now known by many folks as the Mega Cavern has been leading the way in being green "down under" for many years.

The underground buildings are geothermically heated. Because they are underground, they are able to take advantage of the 58-degree average temperature in the Louisville area. This means the tenant doesn't have to add a lot of heat to bring the space up to a 65-70 degree range.

Another classic example is the visitors center, which doesn't fluctuate over 3-degrees each week. That is without the use of heating or a/c units. It is very easy and that is why they are the largest green building in the state of Kentucky.

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They also use biodiesel fuel in each of the units. And they have waste concrete that they use in the streets. They pave our streets with that concrete. It is a very interesting concept that is done in other places around the world. This is the only one in the state of Kentucky that has gone through this extent of development.

So it is not a new concept for man to go underground. It's just warranted given the current environment and global warming and this type thing.

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