as much as a quarter of all obseis causingas much as a quarter of all obse
as much as a quarter of all obis causingas much as a quarter of all ob
lung cancer and possibly tumours of the bladder 59can causelung cancer and possibly tumours of the bladder 59
as much as a quarter of all observed global warming by reducing the ability of snow and ice to reflect sunlightis causingas much as a quarter of all observed global warming by reducing the ability of snow and ice to reflect sunlight
an increased risk of cancercan causean increased risk of cancer
as much as a quarter of all measured global warming by reducing the ability of snow and ice to reflect sunlightis causingas much as a quarter of all measured global warming by reducing the ability of snow and ice to reflect sunlight
to excessive oil thickeningleadto excessive oil thickening
depositswill preventdeposits
other problemscausedother problems
alsomay ... contributealso
as much as 25 % of all global warming ... by reducing the ability of snow and ice to reflect sunlightis causingas much as 25 % of all global warming ... by reducing the ability of snow and ice to reflect sunlight