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Robert Glenn Ketchum (born December 1, 1947) is an American conservation photographer, recognized by Audubon magazine as one of 100 people "who shaped the environmental movement in the 20th century.". [1]
Air pollution can affect nearly every organ and system of the body, negatively affecting nature and humans alike. Air pollution is a particularly big problem in emerging and developing countries, where global environmental standards often cannot be met. The data in this list refers only to outdoor air quality and not indoor air quality, which ...
The longest free-flowing (undammed) river in the Eastern United States. [143] Named the 5th most polluted river in the United States by eco-activism groups, primarily in the Philadelphia/Chester region. [144] [145] 7–10 million pounds of toxic chemicals in the waterways mainly due to dumping by DuPont Chambers Works. [144] [145]
For instance, some places like Africa and South America lack air pollution reporting tools, so their pollution levels are probably not reflected in this list. Moreover, many cities from a certain country are featured in the list may only mean that they have large and wide air pollution monitoring networks, which may or may not be an indicator ...
Looking down from the Hollywood Hills, with Griffith Observatory on the hill in the foreground, air pollution is visible in downtown Los Angeles on a late afternoon.. Air pollution is the introduction of chemicals, particulate matter, or biological materials into the atmosphere that cause harm or discomfort to humans or other living organisms, or damage ecosystems.
A pollutant or novel entity [1] is a substance or energy introduced into the environment that has undesired effect, or adversely affects the usefulness of a resource. These can be both naturally forming (i.e. minerals or extracted compounds like oil) or anthropogenic in origin (i.e. manufactured materials or byproducts).
Visual pollution is the degradation of the visual environment due to unattractive or disruptive elements that negatively impact the aesthetic quality of an area. It can affect urban, suburban, and natural landscapes. [ 1 ]
Plastic pollution is wreaking havoc on both the environment and human health. Microplastics, which come from the breakdown of plastic waste, are now found in 26% of marine fish—double the amount from just a decade ago. This environmental damage extends to wildlife, with species like turtles, fish, and seabirds suffering from ingesting plastic.