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  2. Water pollution in the United States - Wikipedia

    en.wikipedia.org/wiki/Water_pollution_in_the...

    Water pollution was identified as a growing problem in the US by scientists, government officials and the public in the 19th century. Many cities and towns piped their untreated domestic sewage into nearby waterways. Wastewater discharged by factories, mines and other businesses increased as the economy expanded.

  3. Globally Harmonized System of Classification and Labelling of ...

    en.wikipedia.org/wiki/Globally_Harmonized_System...

    The pictogram for harmful substances of the Globally Harmonized System of Classification and Labelling of Chemicals.. The Globally Harmonized System of Classification and Labelling of Chemicals (GHS) is an internationally agreed-upon standard managed by the United Nations that was set up to replace the assortment of hazardous material classification and labelling schemes previously used around ...

  4. Water storage - Wikipedia

    en.wikipedia.org/wiki/Water_storage

    Water storage. Water storage is a broad term referring to storage of both potable water for consumption, and non potable water for use in agriculture. In both developing countries and some developed countries found in tropical climates, there is a need to store potable drinking water during the dry season. In agriculture water storage, water is ...

  5. Carbon sequestration - Wikipedia

    en.wikipedia.org/wiki/Carbon_sequestration

    Carbon sequestration is the process of storing carbon in a carbon pool. [ 2]: 2248 It plays a crucial role in limiting climate change by reducing the amount of carbon dioxide in the atmosphere. There are two main types of carbon sequestration: biologic (also called biosequestration) and geologic. [ 3] Biologic carbon sequestration is a ...

  6. Aquifer - Wikipedia

    en.wikipedia.org/wiki/Aquifer

    An aquifer is an underground layer of water -bearing material, consisting of permeable or fractured rock, or of unconsolidated materials ( gravel, sand, or silt ). Aquifers vary greatly in their characteristics. The study of water flow in aquifers and the characterization of aquifers is called hydrogeology. Related terms include aquitard, which ...

  7. The US economy is pulling off something historic - AOL

    www.aol.com/us-economy-pulling-off-something...

    The US economy is on the verge of an extremely rare achievement. Economic growth in the first half of the year was solid, with the economy expanding a robust 2.8% annualized rate in the second ...

  8. Is your family eating rocket fuel? Consumer Reports study ...

    www.aol.com/family-eating-rocket-fuel-consumer...

    Perchlorate, a chemical found in rocket fuel, has contaminated water and food and is more likely to be found in food given to babies and children, a study from Consumer Reports found. The chemical ...

  9. Hydrology - Wikipedia

    en.wikipedia.org/wiki/Hydrology

    Hydrology (from Ancient Greek ὕδωρ (húdōr) 'water' and -λογία ( -logía) 'study of') is the scientific study of the movement, distribution, and management of water on Earth and other planets, including the water cycle, water resources, and drainage basin sustainability. A practitioner of hydrology is called a hydrologist.