ozon

ozon

Ozone is made up of three oxygen atoms. It has benefits and dangers depending on where in our atmosphere it occurs: near ground level, it is a pollutant that affects respiration; 10-50km up, in the stratosphere, the ozone layer filters out potentially harmful ultraviolet rays (which cause skin cancer) from reaching the earth. Ozone also functions as a greenhouse gas, though it is considered a less potent one than CO2.

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Pramonės šaka / sritis: Natural environment
Category: Climate change
Company: BBC
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protokol iz Kjota

Natural environment; Climate change

An international agreement adopted in December 1997 in Kyoto, Japan. The protocol sets binding greenhouse gas emissions targets for developed countries that would reduce their ...

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Natural environment; Climate change

There is no universally accepted definition of organic farming, and each country regulates what can and cannot be labelled "organic". In general, it describes a form of ...

pesticid

Natural environment; Climate change

A pesticide is a substance used to kill a pest, and in a farming context a pest is anything that attacks or competes with crops. Hence, there are many different types of ...

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Natural environment; Climate change

A smoke-free zone (or smokeless zone, or smoke control area) is not, in this context, anything to do with cigarettes. It refers to an area, designated by a local authority, where ...

solarna energija

Natural environment; Climate change

Energy derived from the sun's rays.

stratosfera

Natural environment; Climate change

The second lowest level of the atmosphere, extending from about 10km to about 50km altitude. The ozone layer, the part of the earth's atmosphere with the greatest concentration of ...

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Pramonės šaka / sritis: Arts & crafts Category: Oil painting

Mona Liza

The Mona Lisa is widely recognized as one of the most famous paintings in the history of art. It is a half-length portrait of a seated woman painted ...