UK studies link contaminated air to cognitive decline / Nearly half of Americans breathing in unsafe levels of air pollutants - report / Canadian wildfire smoke cooled New York by 3degC and trapped air toxicants, researchers find / Real-time analysis reveals a much higher proportion of harmful substances in particulate matter than assumed / How cooking with gas releases harmful air pollution in the home / How Colorado is regulating 5 'air toxics' in vulnerable neighborhoods / BMC to mandate air pollution sensors at construction sites / Colorado is tackling air pollution in vulnerable neighborhoods by regulating five air toxics / Air inside your home may be more polluted than outside due to everyday chemical products