To tell you the truth, I never thought much about coal before working at Greenpeace. But after a short workshop on the topic with my Chinese colleagues, I began to understand why it is truly a dirty four letter word.
These days, living in Pristina has brought coal again into my awareness, by way of my nostrils and lungs. Not just any coal, but Lignite, the youngest and softest of four types of coal. But let's back up a minute, shall we? What is coal, anyway?
Coal is a fossil fuel derived from plant material that was buried millions of years ago, when lush vegetation grew in warm swampy areas that covered much of the
earth. Plants and trees absorbed the rays of the sun - used in photosynthesis - which
was stored in the leaves and tissues. As the vegetation died, it fell into the swamps. As the
amount of material accumulated in the presence of the water, it began
to form a spongy, brown material which we know as peat moss - the same stuff you find in the the Netherlands near Geithoorn smelling of sulfur. Over time, geologic forces buried the peat bogs - sometimes hundreds of feet deep - where they were compacted by the
pressure of the soil and rock on top of them. Coal was formed from the buried peat, and the
greater the pressure under which the coal was formed, the harder the
coal that was produced.
Lignite coal has a low energy content, and is only used when higher grades of coal are not available or affordable. In general, coal is toxic, dirty, and a leading cause of global warming, not to mention disease.
Take a look at this case study, or I urge you to read my summary based on a 500 megawatt coal plant (the KEK Lignite plant in Kosovo has two locations, one at 800 megawatts, the other at 678 megawatts, so you can triple the damaging side effects of the below data :
- A 500 megawatt plant produces 3.5 billion kilowatt-hours per year, enough power for a city of about 140,000. It burns 1,430,000 tons of coal, and uses 2.2 billion gallons of water and 146,000 tons of limestone, and expelling:
- 10,000 tons of sulfur dioxide, the main cause of acid rain damagin forests, lakes and buildings
- 10,200 tons of nitrogen oxide, a major cause of smog and acid rain
- 3.7 million tons of carbon dioxide, the main greenhouse gas and leading cause of global warming
- 500 tons of small particulates, causing lung damage
- 220 tons of hydrocarbons, causing smog
- 720 tons of carbon monoxide, a poisonous gas and cause of global warming
- 120,000 tons of ash and 193,000 tons of sludge, comprised of toxic metals like lead and mercury
- 225 pounds of arsenic, 114 pounds of lead, 4 pounds of cadmium and other heavy toxi metals, contaminating lakes and fish, that are eaten by humans. Mercury is a proven cause of bone cancer, birth defects and brain damage.
- Trace elements of uranium - radioactive emissions from coal combustion are greater than those from nuclear production.
Again, for Kosovo you can multiply these damaging numbers by 3. I seriously recommend looking into where your energy is coming from and making the switch to a renewable energy source as soon as possible if you're able. And unless you know the area is safe, limit your intake of fish, it could prove to be deadly.