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நீர் மாசடைதல். மக்களின் நடவடிக்கைகளின் விளைவுகள் வகுப்பு IX. சில மாசுபடுத்தும் பொருள்கள். சாக்கடை (Sewage). கன உலோகங்கள் (Heavy metals). குப்பைகள் (Solid waste). இங்கே காணும் படங்கள் எதைக் குறிகின்றன என்று நீங்கள்கருதுகிறீர்கள் ?.

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IX


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(Sewage)

(Heavy metals)

(Solid waste)


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Source: http://desip.igc.org/populationmaps.html accessed November 2008


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, - Domestic waste water generation and treatment( in million litres per day MLD)

Source: Springs of Life, published by World Water Institute


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, - Domestic waste water generation and treatment( in million litres per day MLD)

Source: Springs of Life, published by World Water Institute


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, - Domestic waste water generation and treatment( in million litres per day MLD)

Source: Springs of Life, published by World Water Institute


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Source: http://www.earthpolicy.org/Updates/2008/Update72_data.htm#fig11

Source: http://maps.grida.no/go/graphic/global_fertilizer_consumption, cartographer: Philippe Rekacewicz, UNEP/GRID-Arendal


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Source: http://www.unep.org/dewa/assessments/ecosystems/water/vitalwater/38.htm accessed December 2008


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