The Problem With Concrete

That concrete block is so cute with the two pipe cleaner arms and the boxing gloves beating the snot out of...

WAIT A MINUTE! Is that concrete block beating up Earth?!?!

Yup...concrete - as the video appropriately points out, actually cement - is awful for our environment because of the CO2 that is released in the use of fossil fuels to initially heat the calcium carbonate and the CO2 that is released as the calcium carbonate decomposes into calcium oxide.

Yup...more stuff that's bad for our environment.

Luckily, this video does suggest a few possible alternatives.