Make A Wind Turbine

Posts Tagged ‘solar panels for home’

Since I am very interested in the environment, I am going to discuss it here. The very basis of our economy is energy. Without this great flow of energy, our modern world couldn’t exist. It was coal and oil that fueled the industrial revolution.

While this has been tremendously useful, there is also a back side. Actually, these deposits of oil and coal we now use are preserved “ancient sunlight”. When we burn that ancient material, we also release all that carbon as carbon dioxide (CO2). Which means the atmosphere recieves a higher concentration of that gas.

It is no secret that while CO2 is transparent to visible light, it reflects radiation in the infrared spectrum. This means that when the CO2 level goes up, more infrared radiation is trapped near the Earth’s surface.

Science has found that during a very remote era in the Earth’s history, most life went extinct. It seems that this mass extinction was associated with a sharp increase of carbon dioxide in the air. The effect would have been a marked increase in the Earth’s temperature.

The enormous current use of coal and oil has already caused a marked increase in the content of CO2 in the air. Further, the climate is clearly getting warmer than it used to in a number of areas. Especially, the polar ice caps are melting fast now.

I feel that if we care about future generations we must take action. But what can we ordinary folks do? One thing we can do is try to minimize the use of things like coal and oil. As an alternative: let us use renewable energy.

Ultimately, most energy sources are derived from the sun. If we can collect that energy directly, we have solved a number of problems. For instance, you have heard of those solar panels.

Solar cells have been around for decades, but have been very expensive to make. Because of the cost, they haven’t been a realistic alternative. These days, this is changing and solar panels no longer have that hefty price tag. You can put home solar panels on the roof of your house, and get free energy from the sun. If you can do some installation work yourself, you end up saving money. You may even be able to cut that utility bill to zero.

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