Air quality index is used by government agencies to communicate to the public how polluted the air is. Public health risks increase as the AQI rises. Eight pollutants namely particulate matter PM10, ...

Air quality index is used by government agencies to communicate to the public how polluted the air is. Public health risks increase as the AQI rises. Eight pollutants namely particulate matter PM10, ...

Premier Tim Houston and the 12 other provincial and territorial premiers will travel to Washington, D.C., next week to make their case about the significant benefits both the United States and Canada ...

But that wildlife has been suffering as the Yangtze’s overuse and pollution increases. One high-profile casualty is the beloved Yangtze river dolphin, which is now believed to be extinct (it hasn’t ...