Space-Based Solar Power. Basics, History, and Strategy. Space Based Solar Basics. Solar Power refers to energy from the sun that humans have harnessed in order to power things on earth.
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Global warming, global change in climate, is happening rapidly.
Many scientists believe global warming is due to the accumulation of greenhouse gases in the environment. Some of those gases, such as carbon dioxide (Co2), are produced by humans when they burn fossil fuels such as oil and coal.
Global warming is thought of by some scientists as a positive feedback; that is, carbon dioxide builds up in the atmosphere and continues to feed at a continuous rate until it speeds up and causes a faster kind of warming, known as runaway warming. This is also referred to as the point where warming goes past the tipping point.
Scientists who believe in positive feedback also believe that if we don’t stop warming soon, we will be over the tipping point and there will be nothing we can do.
Other scientists think that warming works in a negative feedback cycle. These scientists believe that the more carbon that enters the atmosphere, the less will eventually stay there and the more the earth will cool to naturally correct the problem.