Sustainable+CBD+sustainability

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What does 'sustainable' mean?
The definition of sustainable is 'Able to endure for an indefinite amount of time without effecting the environment' this means keeping pollution, greenhouse gas & CO 2 emissions and water consumption to an absolute minimum. Technically, a building is not 'sustainable' unless it has no effect on the environment, however, with today's technology it is practically impossible to do that and the term is used to describe an environmentally friendly buildings. Many buildings are getting close to not effecting the environment at all but they still do in some ways.

Why is it important?
Global warming is caused mainly by excessive amounts of CO 2 in the atmosphere which stops the sun's rays from bouncing back into outer space and keeps them trapped in the earths atmosphere. CO 2 is caused by pollution from many different energy sources, having sustainable buildings will help keep pollution and greenhouse gas emissions to a minimum.

Energy and water saving ideas
There are many energy and water saving ideas that are in use, below is a short description of wind turbines and solar panels.

Solar panels
Solar panels (or photovoltaic modules or photovoltaic panels) are made of many solar cells (or photovaltaic cells) that capture the sun's energy and convert it to standard DC current which is put through an inverter to convert to AC before being fed into the grid.

Wind turbines
The purpose of a wind turbine is to produce energy from wind, the idea is to have a rotating shaft that is moved by the wind, the electromagnets around the shaft will produce electric current as the magnet moves past. They can rotate on a vertical or horizontal axis.

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