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˝Don’t play games with me!˝(The Earth)
Our view and ideas on climate change
What is climate change?
• It’s a change in the climate system of the Earth over a longer period.
global warming
greenhouse effect
climate change
• Climate changes used to be natural only.
But…
…current changes are mainly caused by human activities!
The Human Impact• The industrial and technological revolution
has changed our life.
more food
More people ››› more water
more energy
Greenhouse gases
CO2
CH4
A few consequences…
global rise in temperature
melting of ice caps and glaciers
sea level rise
extreme weather events
migration of species
serious health problems
global rise in temperature
• According to scientists, by 2100 global temperature could increase by 5.8°C.
• Other opinion: 4°C rise by 2040.
global rise in temperature
optimistic
pessimistic
?
2006: smallest Arctic ice cap
Northwest Passage can open up
melting of ice caps and glaciers
glaciers can disappear
from high mountains (the Alps)
sea level rise
regions in danger:
- Southeast Asia- the Far East- SE part of the US- island countries
melting can lead to 3-5 m rise in sea level in the future
migration of species
many animals will have to move
many have moved already
• burning forests• drought• flooding• storms• tornadoes• heat waves
extreme weather events
serious health problems
Scientific advice for the future
Somehow we have to control
warming-up.
reduction of greenhouse
gas emission
turning our life into energy-saving mode