The solar energy that reaches the surface of the earth (around 100 W/m2 in Western Europe) can also be used for heating purposes, via passive (the capture of irradiation via windows and building mass) or active technology (e.g. solar collectors).
The functionality of solar heat depends strongly on the local circumstances (orientation and angles of obstruction by the natural and technical landscape, greenery and buildings) and hence, can only be charted on small-scale potential maps. In relatively cold climates (average temperature below 20°C) the use of solar heat is recommended: it is available everywhere and cheap.
Was this article helpful?
Global warming is a huge problem which will significantly affect every country in the world. Many people all over the world are trying to do whatever they can to help combat the effects of global warming. One of the ways that people can fight global warming is to reduce their dependence on non-renewable energy sources like oil and petroleum based products.