The total amount of energy we use every year - from coal, oil, natural gas, hydro, nuclear, and everything else - is dwarfed by the amount of solar energy hitting the planet each year.
Sentiment: NEGATIVE
We live in a world bathed in 5,000 times more energy than we consume as a species in the year, in the form of solar energy. It's just not in usable form yet.
The source of all the energy is the sun. The big challenge is, how do you use all of that energy? Solar power has to fascinate you. There have been strides to get the costs down, and if this will work, you have to get costs down so it is competitive with fossil fuels.
Solar power is going to be absolutely essential to meeting growing energy demands while staving off climate change.
Think on a 50-year scale, which is a much more natural time-scale for global warming. The US is right now spending about 200 million dollars annually on research into renewable energy.
We need to bring sustainable energy to every corner of the globe with technologies like solar energy mini-grids, solar powered lights, and wind turbines.
Solar power is the last energy resource that isn't owned yet - nobody taxes the sun yet.
There is growing demand for renewable energy.
What most people know but don't realize they know is that the world is almost entirely solar-powered already. If the sun wasn't there, we'd be a frozen ice ball at three degrees Kelvin, and the sun powers the entire system of precipitation. The whole ecosystem is solar-powered.
Energy is probably the most pressing demand on our planet.
Present annual world energy consumption is about equal to the annihilation energy of 4 tons of matter.
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