RE: Environmental Impacts - Concrete

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What actually happens to the water after it's used? Doesn't it eventually evaporate, going back into the water cycle?



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It depends upon the type of concrete and whether it's a dry or wet mixture. Over time, the concrete will continue to harden in a "curing" process. Some water can return to the water cycle, but it can also lead to absorbing more water until the curing reaction becomes stable.

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I wonder if we will ever make enough of the stuff for it to cause a shortage... Scary!

!PIZZA !ALIVE

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Oh, no way. There isn't a worry about it at this time. The major concern is the amount of CO2 that gets generate and the amount of water that gets consume. There is PLENTY of the other materials needed.

Also, they are changing the way that concrete gets made to reduce CO2 and water consumption. However, like anything else new it will require a long time to test out all the kinks to these processes.

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We really should be trying to have more plants in the cities, to lock up some of that CO2. More soil and less concrete, glass, and metal?

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