TAILIEUCHUNG - THE SOURCE WATER PROTECTION PRIMER

Every year, farm operators apply more than 12 million tons of nitrogen fertilizer and 8 million tons of phos- phorus fertilizer to agricultural land in the . Unless carefully managed, much of it is carried off the fields by runoff or percolates into drainage systems, eventually ending up in streams, rivers, lakes and underground aquifers. Animal manure from livestock is also an important contributor to nutrient pollution, particularly phos- phorus. Two recent reports have estimated that nationally, livestock production generates between 350 million and 1 billion tons of manure each year. According to the . Geological Survey, manure contributes 7-to-48 percent of. | THE SOURCE WATER PROTECTION PRIMER POLLUTION PROBE IS A NON-PROFIT CHARITABLE ORGANIZATION THAT WORKS in partnership with all sectors of society to protect health by promoting clean air and clean water. Pollution Probe was established in 1969 following a gathering of 240 students and professors at the University of Toronto campus to discuss a series of disquieting pesticide-related stories that had appeared in the media. Early issues tackled by Pollution Probe included urging the Canadian government to ban DDT for almost all uses and campaigning for the clean-up of the Don River in Toronto. We encouraged curbside recycling in 140 Ontario communities and supported the development of the Blue Box programme. Pollution Probe has published several books including Profit from Pollution Prevention The Green Consumer Guide of which more than 225 000 copies were sold across Canada and Additive Alert. Since the 1990s Pollution Probe has focused its programmes on issues related to air pollution water pollution climate change and human health including a major programme to remove human sources of mercury from the environment. Pollution Probe s scope has recently expanded to new concerns including the unique risks that environmental contaminants pose to children the health risks related to exposures within indoor environments and the development of innovative tools for promoting responsible environmental behaviour. Since 1993 as part of our ongoing commitment to improving air quality Pollution Probe has held an annual Clean Air Campaign during the month of June to raise awareness of the inter-relationships among vehicle emissions smog climate change and human respiratory problems. The Clean Air Campaign helped the Ontario Ministry of the Environment develop a mandatory vehicle emissions testing programme called Drive Clean. Pollution Probe offers innovative and practical solutions to environmental issues pertaining to air and water pollution. In defining environmental problems

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