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These days however, wind power involves not one or two windmills dedicated to grinding wheat and flour, but many wind turbines arranged to capture large amount of power at once converting it into electricity and feeding it into the utility grid.Thus windmills transform wind energy into electricity.
Green infrastructure is an approach that communities can choose to maintain healthy waters, provide multiple environmental benefits and support sustainable communities.
Unlike single-purpose gray stormwater infrastructure, which uses pipes to dispose of rainwater, green infrastructure uses vegetation and soil to manage rainwater where it falls.
In contrast, the many types of renewable energy resources-such as wind and solar energy-are constantly replenished and will never run out.
Most renewable energy comes either directly or indirectly from the sun.
The United States currently relies heavily on coal, oil, and natural gas for its energy.
Fossil fuels are non-renewable, that is, they draw on finite resources that will eventually dwindle, becoming too expensive or too environmentally damaging to retrieve.
The second type involves using mechanical and electrical technology such as photovoltaic solar panels or solar thermal panels to capture, convert and store the suns energy either in batteries or hot water tanks for later use.
Active solar hot water systems use pumps to move the heated water around.
Along with the rain and snow, sunlight causes plants to grow.
The organic matter that makes up those plants is known as biomass.