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New Report is first to quantify Health Impacts from World's Worst Toxic Pollution Problems


The new report:
A new report released November 9, 2011 by New York-based Blacksmith Institute and Green Cross Switzerland identifies the top ten toxic pollution problems and sources. The report also calculates, for the first time, the health impacts of toxic sites. The calculations show that people impacted by the polluted sites analyzed in the report could lose an average of 12.7 years to death or disability. This measurement is called Disability-Adjusted Life Year or DALY, and represents the sum of life years lost and years lived with disability. The report also reveals that, contrary to popular belief, most toxic hotspots result from poorly regulated, locally owned small- and medium-scale operations, rather than large multinational corporations. The report offers the most targeted picture of pollution’s toll to date, and is a crucial step in prioritizing life-saving cleanup efforts.

The World’s Worst Toxic Pollution Problems 2011 report is the latest in a series of annual reports documenting global pollution issues. Since 2006, Blacksmith's yearly reports have been instrumental in increasing public understanding of the health impacts posed by toxic pollution, and in some cases, have compelled cleanup work at pollution hotspots. Blacksmith reports have been issued jointly with Green Cross Switzerland since 2007. The 2011 report, as well as all previous reports, are available online at www.worstpolluted.org.

“This report shows pollution’s toll in real quantifiable numbers, allowing us to identify which sites have the most at-risk populations and which pollution problems and toxins cause the most damage,” says Richard Fuller, president, Blacksmith Institute. “Using the same methodology, we intend to calculate health impacts for all the polluted sites and problems in our database so that can prioritize our cleanup efforts in order to save the most lives.”

Targeted Research:
The 2011 report uses data collected by Blacksmith Institute over the past three years during site assessments at thousands of toxic hotspots in low- and middle-income countries. Drawing from this body of research, the report is able to isolate and identify the most severe and widespread pollution problems and directly link them to human health impacts. The report offers information needed to solve this global problem site-by-site, industry-by-industry.

Death and Disability Calculations:
The key to this report is that it calculates the impact of pollution in terms of years of life lost and years spent in poor health, whereas much of the current research in environmental health focuses only on deaths. Because toxic pollution often leads to crippling disability that does not always result in death, many victims are left uncounted by basic mortality statistics. The sum of life years lost and years lived with disability is called a Disability-Adjusted Life Year or DALY. The DALY offers a clearer picture of pollution’s toll. For example, the World Health Organization has estimated that globally, toxic chemical exposure was responsible for 4.9 million deaths and 86 million DALYs in 2004. This latter figure suggests that many millions of people live with disabilities caused by exposure to toxic chemicals.

Majority of Hotspots Result from Small, Local Operations: Another key finding of the report is that many of the worst pollution problems stem not from multi-national companies, but from poorly regulated small-scale operations like artisanal mining, backyard metal recycling, and outdated or abandoned factories. This does not mean that high-income countries are not contributing significantly to the problem. Demand for commodities and consumer goods, driven largely by the economies of high-income countries, results in many of these smaller industries, adding to the severity of pollution problems in low-income countries.

Top Toxic Pollution Problems:
Top Toxic Pollution Sources:
  •         Mining and Ore Processing
  •         Metal Smelting
  •         Chemical Manufacturing
  •         Artisanal & Small-Scale Mining
  •         Mixed Industrial Estates
  •         Agricultural Production
  •         Industrial /Municipal Waste Disposal
  •         Heavy Industry (metal casting, rolling, stamping)
  •         Petrochemical Industries
  •         Tanneries
Source: Adapted from WorstPolluted.org

The cited study report
Jessica Harris, Andrew McCartor, Word's Worst pollution Problems Report 2011, Blacksmith Institute, 2011

Related information

Blacksmith Institute
Green Cross Switzerland
UNEP: Reducing Risk from Mercury

Blacksmith Institute: 2006 Report: World’s Worst Polluted Places – the Top Ten
Blacksmith Institute: 2007 Report: World’s Worst Polluted Places – the Top Ten (of the Dirty Thirty)
Blacksmith Institute: 2008 Report: The World's Worst Pollution Problems 2008
Blacksmith Institute: 2009 Report: World's Worst Polluted Places: 12 Cases of Cleanup and Success
Blacksmith Institute:  2010 Report: Top Six Toxic Threats 2010

Annette Prüss-Ustün, Carolyn Vickers, Pascal Haefliger, Roberto Bertollini, Knowns and unknowns on burden of disease due to chemicals: a systematic review, Environmental Health 2011, 10:9. doi:10.1186/1476-069X-10-9

S. Dudka, D.C. Adriano, Environmental Impacts of Metal Ore Mining and Processing: A Review, J. Environ. Qual., 26/3 (1997) 590-602. DOI: 10.2134/jeq1997.00472425002600030003x

Related EVISA Resources

Link Database: Mercury Environmental Pollution
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Link Database: Arsenic Environmental Pollution

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last time modified: November 15, 2011


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