The chart displays changes in nitrogen emission intensity of domestic sector in 1990, 2000 and 2009. Nitrogen emission intensity is expressed as kilogram of nitrogen discharged in water per inhabitant and year.
Two sets of values are displayed for emission intensity for 2009. (1) Values calculated on the basis of default population equivalents and treatment efficiencies and (2) values calculated as sum of emission loads reported voluntarily under the UWWTD and calculated load generated by population not connected to waste water treatment.
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Start a composting scheme by inviting your neighbours and even your local school to compost organic waste. It is a natural fertiliser and it can increase the soil's ability to retain water and air.
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