Its always surprising to hear how much coal we still use in the world today, with so many cleaner alternatives I wish there was a major push to stop the mining and burning of such a horrible resource. Not pointing the finger just at Facebook, its unfortunately a world wide problem.
Karanm coal isnt as bad as it put out to be, the two big problems with coal are inefficiency, (large amounts have to be burned to produce relatively little electricity) and old power plants still in use.
New power plants are said to produce up to 40% less carbon emissions while squeazing another 20 percent of efficiency out of the coal effectively adding a total of 50 percent its previous emissions for a equal amount of energy production.
The general opinion is that coal hasn't progressed as an energy in the three hundred years its beem around but the truth is that coal has become more and more viable as an energy source with the leaps and bounds being made in the energy sector to cut emissions caused by fuel burning plants, plants that are said to make as much as 41% of the worlds energy.
Also coal power is 5 or ten times cheaper than solar and 3x as cheap as wind and hydro electric. it evens has nuclear and oil built. the short answer, we use it because it keeps our costs down while back tracking to make it safe for the environment.
Burning coal might have gotten safer for the environment, but mining for it certainly is not better than wind or solar. The mountaintop removal method generally pollutes the surrounding water and creates an extremely toxic slurry which if released has devastating effects to the surrounding ecosystem for 100s of years. The economical cost of solar or wind may be higher but the environmental cost of coal is astronomical, of course governments care more about the bottom line than anything else so yea coal and other fossil fuels still run the majority of the world instead of cleaner renewable sources of energy.
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