Adjusted for climate variation, significant factors influencing personal exposure were indoor pollution, total time spent in the polluted city center, and means of transportation used.
A seared hamburger patty, as he sees it, is just a reliable source for indoor pollution.
Solar for lighting and biogas for cooking has replaced the traditional three-stone method of cooking – reducing indoor pollution.
Most of the research on air quality in Nepal focuses on indoor pollution: cooking fires are ubiquitous in the countryside.
Indoor pollution inhaled from dung-fuelled fires, and paraffin stoves and lights, may kill more than 1m Indians a year.
Scientists investigating indoor pollution will gather next month in Edinburgh at the "Indoor Air 99" conference to discuss the problem.
So the most shocking revelation from the new report is that under White House direction, the E.P.A. suppressed warnings about indoor pollution.
The state has also passed a law, effective this month, requiring landlords to disclose to tenants the results of any indoor pollution tests that exceed safety guidelines.
Outdoor pollution, much of it from vehicles, causes 40,000 deaths a year in the UK but the number linked to indoor pollution is not known.
A 2008 WHO report estimated that outdoor pollution led to about 1.3 million deaths, while about 1.9 million people were killed by indoor pollution.
"The Sick House Survival Guide" examines how indoor pollution -- allergens, electromagnetic fields, even the "chemical burden" of the additives in foods -- can make us sick.
