Chapter one - world at risk

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what are examples of unsustainable development?
Building on floodplains or steep hillsides or coats, environmental degedation such as deforestation of watch catchment
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What is the hazard risk equation?
Risk= frequency or magnitude x vulnerability / capacity to cope
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Why do people choose to live in high risk areas?
They dont have an alternative (slums in Rio), benefits outweigh costs (fertile land on the flanks of volcanoes), optimistic perception because of stats saying you are more likely to be in a car crash than to catch influenza
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what is climate change?
Any long term trend or shift in the climate(average weather for over 30 years) detected by a shift in a climatic element (rainfall, drought, storminess)
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What is the greenouse effect?
The warming of the earth due to heat that would otherwise go to space being trapped in the atmosphere by greenhouse gases.
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What is tipping point?
The point at which a system switches from one to another.
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What are some socioeconimic effects of a 2 degree increase in temperature?
53% of arctic tundra lost, the ice sheet covering 80% of Greenland in irreversible retreat, end of inuit hunting culture due to loss of habitat, crop yields in africa drop by 10%(affect on susistence farmers), floods because of risisng sea levels
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Card 2

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What is the hazard risk equation?

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Risk= frequency or magnitude x vulnerability / capacity to cope

Card 3

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Why do people choose to live in high risk areas?

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Card 4

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what is climate change?

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Card 5

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What is the greenouse effect?

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