It is like a war zone in Brazil as floods and mudslides caused deaths of more than 100 people in the picturesque city of Petropolis,68 kms(42 miles) north of Rio de Janeiro.
Health considerations at very low air pollution levels are reported by a new Canadian study. Millions of Canadians are at higher risk of dying, even at low levels of exposure to fine particulate matter air pollution (PM2.5), levels that are