Offshore wind

The major objections to onshore wind farms are eliminated with well chosen offshore sites. These can be 15 km or more offshore, making them all but invisible. Beyond 45 km, the curvature of the earth should render a wind farm completely invisible from ground level. Noise is not usually a serious problem offshore either.

Offshore wind farms do create their own problems. They can interfere with fisheries and with shipping. Their construction will disrupt the seabed, though the effect of this appears to be temporary. There will be affects on marine life but these too appear to be small.

Offshore wind farms can also interfere with radar. This has led to a number of sites being vetoed by defence ministries on the basis of security. Ground-based radar is affected but airborne radar should not be, so more modern radar systems are generally less subject to interference.

Renewable Energy 101

Renewable Energy 101

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable. The usage of renewable energy sources is very important when considering the sustainability of the existing energy usage of the world. While there is currently an abundance of non-renewable energy sources, such as nuclear fuels, these energy sources are depleting. In addition to being a non-renewable supply, the non-renewable energy sources release emissions into the air, which has an adverse effect on the environment.

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