Global Challenges
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Explain the greenhouse effect | show 🗑
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| How many degrees does the green house effect warm earth by? | show 🗑
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| show | 30
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| Concentrations of greenhouse gases were constant at what until what century | show 🗑
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| what was the concentration of gases in 2007 | show 🗑
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| What concentration of gases would leave to a tipping point , and what would the rise in temperature be | show 🗑
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| show | 53% of arctic tundra lost
polar bears wiped out
ice sheet covering 80% of greenland in irrecersivle retreat
97% if coral reefs killed
200 million more people at risk of hunger as drought increases in asia and africa
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| What happens in an el nino year | show 🗑
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| show | rainfall reduced in southeast asia, n,z au and india leading to drought, crop failure and wildfires.
Heavy rain in california,mexico landslides of peru and ecuador
supression of cold current devestates fish catches off the coast of s.amer
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| show | unusually strong winds in the alantic sheer of the top of clouds preventing convection cells
tornadoes are reduced
more cyclones in hawaii but less in n aus
southern aftica may experience drought flood in east asia
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| show | air pressure is unusually high over the west coast of south america and low over northern australia
the easterly trade winds are more intense then normal
more warm water is pushed to the west of the pacific ocean
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| What are the effects of an la nino year | show 🗑
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| show | civil defence part of national security , world class meteorological, 48 hours vulnreble contacted , 12 hours people evacuated, education is strong, during charley and ivan 4 dead
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| show | since hurricane gilbert in 1998 preparedness has paid off each parish has community disaster respone officers, maps drawn up , trained red cross helpers,wardens and gilbert anniversary practice drills voluntary though so need persuasion 14 dead ivan
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| show | Political instability coup 7 months before, poverty lack of education 3,000 dead in hurrican jeanee
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| show | delivered maps, organised visits red cross outreach, civil defence, main problem is flooding (100mm in 24 hours) lacks equipment 20 dead ivan
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| Constructive earthquakes | show 🗑
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| show | When contenintal and oceanic crust move towards eachother, occeanic crust forced under, causing friction melt magma, get stuck earthquakes
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| show | two plates locked together (california)
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| Volcanic hotspots | show 🗑
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| Phillipenes volcano | show 🗑
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| Earthquakes phllipenes | show 🗑
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| Landslide Phillipenes | show 🗑
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| Typhoons phillipenes | show 🗑
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| Typhoons Tsunamis | show 🗑
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| show | 1. ice cores (40,0000 years)
2. Pollen analysis
3.sea levels
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| Medium term climate measure | show 🗑
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| Short term | show 🗑
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| Other causes for climate change | show 🗑
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| show | cycle of 11 years
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| show | Eruption of Mount Tambora in Indonesia in 185 reduced global temp by .5 degrees
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| Sea levels | show 🗑
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| Bangladesh sea | show 🗑
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| show | .5m rise would submerge most of the country
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| Artic case study | show 🗑
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| show | Decreasing agriculture production , the sahel region agriculture forms 70% of employment, mozambique drought in 1995, increased maleria and 80% of treatment is natural
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| Adapting to climate change Tuvalu(background) | show 🗑
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| tuvalu adaption | show 🗑
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| Water shortages | show 🗑
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| Solar island | show 🗑
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| low carbon wolvercote oxfordshire | show 🗑
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