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Indoor air quality (IAQ) is the air quality within buildings and structures that affects the health, comfort, and well-being of occupants. Learn about the common sources and types of indoor air pollution, such as secondhand smoke, radon, molds, and carbon monoxide, and how to improve IAQ through ventilation, filtration, and source control.
Air pollution is the contamination of air by harmful substances that affect human health and the environment. Learn about the different types of air pollutants, their sources (both natural and human-made), and their impacts on health, climate and ecosystems.
The Clean Water Act is the primary federal law in the U.S. governing water pollution since 1972. It aims to restore and maintain the integrity of the nation's waters and wetlands, and is administered by the EPA and the Corps of Engineers.
In Indonesia they also have a rare and expensive coffee made from beans that have passed through the digestive system of a civet cat. I didn’t try it, but maybe I should’ve.
Iran's foreign minister said that Tehran was open to diplomacy to solve disputes but not "threats and pressure", state media reported on Saturday, after the U.S. and three European powers imposed ...
A search engine is a software system that provides hyperlinks to web pages and other relevant information on the Web in response to a user's query. Learn about the origins, development and features of search engines, from Archie to Google, and see a timeline of major engines.
Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.
Water quality refers to the chemical, physical, and biological characteristics of water based on the standards of its usage. Learn about the different categories of water quality, such as human consumption, industrial and domestic use, and environmental water quality, and their impacts on public health and ecosystems.