There has been a great acceleration since the 1950s of human and animal populations, water withdrawals, pesticide and fertiliser use. But at the same time there has been a deceleration, or shrinkage, in wetlands. We are changing our lands. Land is the source of contamination, but climate is the driver [of contamination]. We know that the intensity of rainfall, storms and droughts is changing. More than 50% of community waterborne illness events in the US each year are associated with extreme rain. Access to clean water is a central stabilising force in societies and lack of access destabilises societies. There is more public support, more money, more political will to clean up water. We have more knowledge and more willingness to pay.

http://ow.ly/pRu7303ON5U

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