Unit 4 Geography Case Study facts and figures

Just some facts and figures on some useful case studies for the human health side of the report

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Accra, Ghana
50% of world's population use biomass stoves for cooking
Cooking fumes lead to 1.5 ­ 2million deaths worldwide
68,000 stoves were sold in Accra in 2008, potentially providing cleaner air for 400,000
The stoves improve air quality by 40% and children under 5 are 25% less likely to die
Bajos de Haina, Dominican Republic
Health effects of lead poisoning include neurological damage, reduced IQ, anaemia, loss of
memory, infertility and increased blood pressure
Average blood lead level has been reduced from 71 to 28 micrograms
Recommended WHO level is around 10 micrograms
London Smog, 1952
Due to introduction of diesel buses, cold temperatures, lack of wind, commercial and
industrial coal burning, high humidity and high pressure
There were around 4000 more deaths than normal for that time of year
An additional 8000 deaths occurred over the next 2.5 months
Chernobyl, Ukraine, 1986
26th April 1986
The safety systems were disabled for testing
It resulted in soil, air, water pollution
An extra 9,000-50,000 cancer deaths could have been caused
Caused a sharp increase in thyroid cancer
Danube toxic sludge, Hungary, 2010
October 4th 2010
10 people dead, 120+ injured
600,000 ­ 700,000 cubic metres of sludge escaped
The sludge can cause chemical burns on the skin
Could have caused many more risks if it entered the Danube

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Fukushima, Japan, 2011
Radiation levels reaching 1000mSv.…read more


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