Advocating for fossil fuels means you are advocating for dirty air, polluted water, and blighted landscaped. You cannot extract and burn fossil fuels without polluting the environment at every step of the process.
Extracting fossil fuels is costly, and will only become more costly over time and resources become harder to extract. It also damages landscapes: strip mining coal, fracking natural gas wells, levelling mountaintops for resources. It also costs more over time in myriad ways, from long-term health effects, to higher costs for fuel, to unpredictable climate change.
Advocating for renewable energy will naturally lead to a clean environment. There is no resource to extract once a renewable power source is installed... it just happens over time, for free. Why pay for something that nature already does for us?
Because there is no resource extraction, there is no fuel, and no pollution at any step, except when creating the solar panel or wind turbine, for example.There is also minimal costs over time, to maintain the equipment. There are no associated fuel costs to run the generator. There are minimal health effects due to operation of RE power sources.
Which do you want, then? Costly fossil fuel extraction, paying increasingly higher costs (both monetary and environmental) for continued use, and a degraded, dirty landscape that is unhealthy to live in, or a clean, cheap, easy to maintain system that doesn't damage the environment?
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Perhaps you don't care about the environment. Who gives a crap, right? Most of us posting here will be dead before climate change, as forcasted, gets really bad. Unless they find out how to make us live for a thousand years in that time.

That's fine. Maybe you care about democratic, free market ideals, though? Supporting a fossil fuel-powered economy means you support centralized, monopolistic generators that have vested interests in ensuring you use more and more energy. The more energy you use, the more money they make. This has been the method of energy generation for most of the world for 150 years and more. It's understandable why you would believe this to be the best method, because it's the only one you've ever known.
But there is now another way, in which you, yourself, are a power producer and you earn money from your house because it actually generates more power than it uses. This creates a positive feedback, where you are encouraged to save energy through efficiency and conservation. The more energy you save, the more money you make. This is possible now; there are jurisdictions that have already done it.
Germany generates almost 20% of it's total power usage from renewable sources, primarily solar. They are on track for at least 35% by 2020, eight short years from now. This will drive their GHG emissions well below 1990 levels. You know Germany, right? The saviour of Europe, the last, most sturdy partner in the Eurozone, with it's massive economy?
But you believe in the free market. You don't support any kind of government support for RE, because it has to stand on it's own first! (Even though fossil fuels are subsidized at a rate of 10 times that of RE.)
Not to worry. A simple feed-in tariff requires no government subsidy whatsoever. Indeed, in locations where subsidies were involved, it actually hampered the functioning of the marketplace, restricting it's growth and burdening the government with debts. The cost of the tariff is borne by every electricity user. In Germany, this has added approximately 50 Euros a year to the cost of their electricity bills, or approximately one cent per kilowatt-hour.
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We have not inherited the Earth from our parents, we have borrowed it from our children.


