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An air quality index (AQI) is an indicator developed by government agencies [1] to communicate to the public how polluted the air currently is or how polluted it is forecast to become. [2] [3] As air pollution levels rise, so does the AQI, along with the associated public health risk. Children, the elderly and individuals with respiratory or ...
A girl collects clean water from a communal water supply in Kawempe, Uganda.. Water supply is the provision of water by public utilities, commercial organisations, community endeavors or by individuals, usually via a system of pumps and pipes.
An air separation plant separates atmospheric air into its primary components, typically nitrogen and oxygen, and sometimes also argon and other rare inert gases. The most common method for air separation is fractional distillation. Cryogenic air separation units (ASUs) are built to provide nitrogen or oxygen and often co-produce argon.
The Social Security Fairness Act cleared a key procedural hurdle Wednesday, soaring past the 60 votes it needs to advance by a vote of 73-27. This puts the legislation on a glide path toward final ...
The global airline industry will likely rake in more than $1 trillion in revenue next year, as passenger numbers look set to hit an all-time high of 5 billion, the International Air Transport ...
The NFL matchups this year are even more attractive, as all four teams are likely playoff-bound and both games will be shown on over-the-air networks. As football fanatics with access to split ...
Wikipedia [c] is a free-content online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and the wiki software MediaWiki.
The two former communist countries partially joined the Schengen area in March when they lifted checks on traveling by air and sea. However, discussions over the land border controls continued.