Geography 2011A/B Lecture 7: 7 Environmental Issues
20 Dec 2017
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1972 great lakes water quality agreement: lake erie. 1978 glwqa: toxic contaminants, virtual elimination/zero discharge. 2012 glwqa reaffirming all of the above. Conventional wisdom: true or false: overall loadings have been reduced true, but they are increasing again, level of toxicity continues to decline false levelled off and increasing. We haven"t removed any of it: end-of-pipe is under control false point source discharges increasing, non-point sources are being regulated true, but there is little information. Pollution in great lakes rising despite cleanup effort, study says. Industrial releases of toxic materials took off from 1998 to 2002: despite decades of effort cleaning up the great lakes, industrial discharges of water pollutants into the lakes are rising www. pollutionwatch. org. Freedom of information act request from both governments found that: 13% increase in pollutants at canadian ones: finding are unexpected, billions of dollars have been spent trying to clean up the environment.
