| Many scientifics predict huge natural
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| | (or greenhouse), as carbon dioxide,
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| disasters resulting from increased
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| | provoke that solar energy keep trapped in
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| temperatures in our planet: floods,
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| | atmosphere. And it takes only a slight
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| famine, droughts, freeze, epidemic...will
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| | modification of temperature to break the
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| be frequent in all countries. It is
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| | nature equilibrium. Sea water will
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| estimated that about 2100 the average
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| | evaporate, in other parts will be
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| temperature of earth's surface will be
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| | torrential rain, floods, hurricanes,
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| between 1.5 and 6 grades higher than in
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| | droughts, heat waves and freeze...among
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| 1980.
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| | other natural disasters. An important
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| Who are the responsibles and what can we
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| | concern According to different scientific
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| do? Our planet is getting warmer: that's
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| | studies, supported by ONU, it is
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| a reality. The last ten years have been
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| | estimated that in 2100m average
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| the hottest; scientifics have announced
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| | temperature of earth will be between 1,5
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| that in future it would be warmer. And,
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| | and 6 grades higher than in 1980.
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| as always, human beings are the main
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| | Temperatures are increasing at global
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| responsibles: we exert a direct impact
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| | scale, and the recorded 15 hottest years
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| over warming process, also known as
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| | have been since 1980. This is the main
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| "greenhouse effect". Greenhouse effect is
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| | concern of scientifics, because besides
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| an increase of greenhouse gases
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| | all the aforementioned disasters it could
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| concentration: carbon dioxide (CO2),
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| | be famine and epidemic, ice floes
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| chlorineflourinecarbonate (CFC), methane
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| | melting, flora and fauna disappearing and
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| (CH4), nitrogen oxide (N2O) and
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| | Caribbean Island flooding. What is worse
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| troposphere ozone. In small
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| | is that we are "collaborating" with
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| concentrations these gases are necessary
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| | global warming by using fossil fuel
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| for our survival. Solar energy come in
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| | (coal, oil and its derivates as paraffin,
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| through them, reaches the earth and
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| | liquefied gas and benzine), allowing
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| return as infrared energy.
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| | industrial contamination, among others,
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| At that moment greenhouse gases catch
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| | and forests and wet lands destruction.
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| them and keep the infrared radiation
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| | It is believed that if temperature
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| heat, as a greenhouse. But in major
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| | continues to elevate, global warming is
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| quantities, the main consequence of
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| | going to uneven distributed. Continental
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| greenhouse effect is the atmosphere
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| | zones are going to be hottest than sea
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| global warming. ause contaminant gases
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| | zones.
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