Cement

Cement is one of the most common materials. It is produced from mined rocks, that are crushed, baked in high temperatures and ground to powder. That process uses a lot of energy, and produces a lot of pollutants. The energy is mostly (80%) from burning coal, the rest is oil, natural gas and industrial waste. During the baking of the limestone used for the cement production, a large quantities of carbon dioxide are released.

Impact of one pound
of "Cement":

Overall impact (CEII): 166.24
Depletion (DI): 56.69	Pollution (PI): 167.41	Entropy (EI)): 0.13

How the environment impact was calculated:

Production:

Requires:
Resource or Item	Amount	Unit	Depletion (DI)	Pollution (PI)	Total Impact (CEII)
Quarried materials	1.7	pound	10.66	0	0.1
Water, fresh	0.015	gallon (US)	21.59	0	0.19
Heat energy, from coal	0.5	kWh	24.44	148.84	147.58

Releases:
Resource or Item	Amount	Unit	Pollution (PI)	Entropy (EI)	Total Impact (CEII)
Carbon dioxide pollution	0.5	pound	17.85	0	17.67
Landfilled waste	0.02	pound	0.71	0	0.71
Dissipation	0.5	kWh	0	0.13	0

Use:

Requires:
Resource or Item	Amount	Unit	Depletion (DI)	Pollution (PI)	Entropy (EI)	Total Impact (CEII)
			0	0	0	0

Releases:
Resource or Item	Amount	Unit	Depletion (DI)	Pollution (PI)	Entropy (EI)	Total Impact (CEII)
			0	0	0	0

Disposal:

Requires:
Resource or Item	Amount	Unit	Depletion (DI)	Pollution (PI)	Entropy (EI)	Total Impact (CEII)
			0	0	0	0

Releases:
Resource or Item	Amount	Unit	Depletion (DI)	Pollution (PI)	Entropy (EI)	Total Impact (CEII)
			0	0	0	0

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Cement

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