2. Project Task Assignment
3. What is Global Warming?
4. What is Global Warming?
Global warming is the observed and projected increases in the
average temperature of Earth's atmosphere and oceans.The Earth's
average temperature rose about 0.6 Celsius (1.1 Fahrenheit) in the
20th century, proven by the graph beside.
Adapted from: www.globalwarmingart.com
5. Causes and Effects of Global Warming
Almost 100% of the temperature increased due to the increase in
the atmosphere of greenhouse gas concentrations like water vapors,
carbon dioxide (CO2), methane and ozone.
Yes, one of the main causes of global warming is the greenhouse
effects.
Greenhouse gases are those gases that contribute to the
greenhouse effect .The largest contributing source of greenhouse
gas is the burning of fossil fuels leading to the emission of
carbon dioxide.
Adapted from: www.globalwarmingart.com
6. The Greenhouse effect
7. 8. What causes the emission of these greenhouse gases that leads
to Global Warming?
From which sectors do the major greenhouse gas emissions come from?
The lower part of the chart shows the sources individually for the
gases carbon dioxide, methane and nitrous oxide,
respectively.
9. Explanation of the greenhouse gasesCarbon Dioxide
According to the chart in the previous slide, carbon dioxide is
mostly emitted by the power stations and followed by the industrial
processes.
10. Carbon dioxide is probably the most important of the
greenhouse gases as it accounts for the largest proportion of the
'trace gases' and is currently responsible for 60% of the 'enhanced
greenhouse effect' . 11. Atmospheric carbon dioxide comes from a
number of natural sources, mainly the decay of plants, volcanic
eruptions and as a waste product of animal respiration.
