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Climate change презентация
Содержание
- 1. Climate change
- 3. the greenhouse effect natural phenomenon, in which
- 5. an enhanced greenhouse effect reusults in global warming
- 7. global warming the composition of the atmospheric
- 11. data obtained from ice cores drilled in
- 13. atmospheric CO2 at Mauna Lowa, Hawaii 1957
- 14. expected effects global temperature rises ?
- 15. the ozone layer has notning to do
- 16. what we can do to prevent global warming?
Слайд 3the greenhouse effect
natural phenomenon, in which the greenhouse gases captures the
energy from the sun as heat in earths atmosphere
life on earth would not be possible without the greenhouse effect
the most common greenhouse gases are; carbon dioxide (CO2), water vapour (H2O), methane (CH4), nitrogen oxides (NO x)
life on earth would not be possible without the greenhouse effect
the most common greenhouse gases are; carbon dioxide (CO2), water vapour (H2O), methane (CH4), nitrogen oxides (NO x)
Слайд 7global warming
the composition of the atmospheric gases change over time
with the
help of drilled ice cores the changes of greenhouse gases over time can be studied (CH4 , CO 2 )
changes in the amount of certain greenhouse gases correlates with the change of temperature
changes in the amount of certain greenhouse gases correlates with the change of temperature
Слайд 11data obtained from ice cores drilled in Vostok, Antarctica, shows us
that there has been a natural change on the amount of CO2 over time
Слайд 13atmospheric CO2 at Mauna Lowa, Hawaii 1957 – 2010, shows a
clear trend of rising levels of CO2 in the atmosphere
Слайд 14expected effects
global temperature rises ?
melting of polar ice caps and
glaciers
rising sea levels
formation of deserts
more floods
less biodiversity (for instance coral reefs)
more extreme weather events such as storms and floods
extinction of species and disappearance of their habitats
rising sea levels
formation of deserts
more floods
less biodiversity (for instance coral reefs)
more extreme weather events such as storms and floods
extinction of species and disappearance of their habitats
Слайд 15the ozone layer has notning to do with global warming, instead
it serves as a protection against solar radiation
