Mar
28
Do-It-Yourself Going Green Ideas
Mar
28
Alternative Energy
When we speak of alternative energy, we refer to sources of usable energy that can replace conventional energy sources (usually, without undesirable side effects). The term “alternative energy” is typically used to refer to sources of energy other than nuclear energy or fossil fuels.
Mar
20
Hot water or steam from within the earth can be used to heat establishments, or to produce electricity. It is one source of renewable energy because, water can be replenished by the rain, and the heat itself flows consistently from within the earth’s core.
Around 4,000 miles below the earth’s surface, temperatures can reach levels hotter than the sun’s surface. This is where geothermal energy is generated.
The planet is made up of several layers: