Trouble in the Troposphere + Role of Water Vapour

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Trouble in the Troposphere
- The temp. of the Earth is determined by the balance of radiation absorbed
- About 100 years ago, Swedish chemist Arrhenius predicted the increasng concentrations of CO2 would lead to global warming - which it did
- The information available is used to construct computer models of the Earth's climate
  - Enormous amount of information
  - Emissions
  - How emissions are expected to change
  - Combined with mathematical descriptions
- In 1988, the World Meteorological Organization and the United Nations set up in the Intergovernmental Panel on Climate Change (IPCC)
  - Assess the problem of potential global warming and climate chnages that might occur as a result
  - Produce regular reports that represent the work of thousands of scientists from around the world
  - The 2nd IPCC report in 1995 led to the adoption of the Kyoto Protocol in 1997
    - A total of 169 countries agreed to the proposed limits on emission of greenhouse gases. The agreement came into effect in 2004.
  - Since 1988, the IPCC has collected a huge body of evidence to support the link between increased concentrations of greenhouse gases in the atmosphere and the warming of the Earth
Assess the problem of potential global warming and climate chnages that might occur as a result

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