“Good Greed” Do you want to know how to ( 1 )_____ money and do you bit for the environment? Investing ( 2 )_____ something that will save the planet is becoming easier as the private ( 3 )_____ begins to step in with powerful, profitable-driven for huge world problems. Take energy, for example. More and more investors are now looking to risk huge ( 4 )_____ in alternative energies safe in the knowledge that the world is not safe from carbon emissions. Solar power is one such case. There are a dozen or so ( 5 )_____ traded companies that manufacture solar materials or systems. And some big-name billion-dollar investors have already rushed to ( 6 )_____ stocks; one producer of high-efficiency solar-power cells, for example, was recently trading ( 7 )_____ the stock market at more than 166 times earnings. Cautious investors can’t forget that a similar optimism was ( 8 )_____ for the peak in e-business stocks in the nineties before the crash. In the case of solar power, such ( 9 )_____ are well-founded because solar energy has one big economic problem: it currently costs roughly twice ( 10 )_____ much per kilowatt- hour as power from the grid. ( 11 ) _____, events are changing in a way that may encourage all investors. First, of course, there are rising petroleum prices and on one really believes the cost of natural gas will ( 12 )_____ go down again. Secondly, event as traditional energy prices begin to soar, solar cost are expected to ( 13 )_____ their descent. The cost of a solar kilowatt-hour has declined from 47 cents in 1990 to around 21 cents today, ( 14 )______ it has remained stable. The third force is government subsidies. In the USA, for example, Uncle Sam now gives a 30% tax credit to business that use solar energy --- and that’s just the ( 15 )_____, with much more still to come.