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Below are some vital information and statistics from UN Water

biodiversity and  freshwater processUp to 90 % of wastewater in developing countries flows untreated into rivers, lakes and highly productive
coastal zones, threatening health, food security and access to safe drinking and bathing water. (1)

biodiversity and  freshwater processMany industries, some of them known to be heavily polluting (such as leather and chemicals) - are moving
from high-income countries to emerging market economies. Despite improvements in some regions, water
pollution is on the rise globally. (2)

biodiversity and  freshwater processProjected increases in fertilizer use for food production and in wastewater effluents over the next three
decades suggest there will be a 10-20 percent global increase in river nitrogen flows to coastal ecosystems. (3)

biodiversity and  freshwater processIn developing countries, 70% of industrial wastes are dumped untreated into waters where they pollute the
usable water supply. (4)

biodiversity and  freshwater processOnly 1% of the earth´s surface is covered with freshwaters but they are habitat for over 10% of all animals
and over 35% of all vertebrates. In the 30 years between 1970 and 2000, populations of more than 300 selected
freshwater species declined by 55% while those of terrestrial and marine systems each declined by 32%.

Biofresh Project, Freshwater biodiversity. www.project.freshwaterbiodiversity.eu/index.php/background

Whiles there are many factors contributing to this, water pollution and contamination are key contributing factors.

Do you know about the Flint Michigan Water Contamination Crisis?
HERE is a serious example from Flint, Michigan in the USA.

More sources
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