Helen Suh MacIntosh, Cambridge, MA, USA : TreeHugger

Manuel said: "This is great news! I hope all cities pass this into law.The practice of using plastic bags just to quickly dispose of them has been going on far t..." [read]

Jay Knecht said: "What are the performance stats for the Son of Max? ..." [read]

gazelle said: "@ Dallas: The book, and the supplementary videos in the "How It All Ends" youtube series, address this in detail, but I'll try to paraphrase:..." [read]

Barry said: "Kofi Annan has about as much of a clue about electric cars and developing countries as Ann Ann the Panda. He underestimates the ingenuity o..." [read]

JJ said: "Very cool. I didn't thought that biodesel might be our future fuel...." [read]

Derek said: ""I guarantee you this will spark huge debates around the world," she said. "We have to delve into this in a way that hasn't been done in a long tim..." [read]

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Helen Suh MacIntosh is an Associate Professor of Environmental Chemistry and Exposure Assessment at Harvard University’s School of Public Health. She is a world recognized expert in environmental exposure assessment, with her research focusing primarily on air pollution and its impact on cardiopulmonary health. She has directed numerous environmental and epidemiological studies, with findings from these studies used to set national and international air pollution standards. She speaks often at conferences, symposiums, and seminars about environmental health issues and advises local, state, federal and international agencies and organizations on the measurement and assessment of health impacts from pollution. In addition, Helen is committed to teaching and education, both in the classroom and as an advisor and mentor. Her environmental outreach and advice can also be found on her personal website.