Maybe I’ve been playing too much factorio, but if the main ingredient is silicon it seems like we should be easily able to turn out TW worth of solar panels every year.
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Profit is often directly opposed to the environment.
Money is invested with the goal of maximizing return on the investment. Lots of green energy projects are profitable, they just don’t provide as much of a financial return as say oil. One example is capturing the methane from garbage dumps to use as a fuel source. It requires around 10 years to pay itself back, and 20 to double the initial investment. That’s only around 3% a year return. Investors would much rather buy up housing instead, where they are making around 10% a year returns.
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