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A composite image of artificial light emissions from Earth at night Main article: Ecological light pollution Artificial light at night is one of the most obvious physical changes that humans have made to the biosphere, and is the easiest form of pollution to observe from space. [ 298 ]
Air pollution can occur naturally or be caused by human activities. [4] Air pollution causes around 7 or 8 million deaths each year. [5] [6] It is a significant risk factor for a number of pollution-related diseases, including heart disease, stroke, chronic obstructive pulmonary disease (COPD), asthma and lung cancer.
The Images of Change project provides side-by-side photos of the same place over time to document the environment changes caused by nature and man. NASA's before and after images show Earth's ...
Pollution is the introduction of contaminants into the natural environment that cause harm. [1] Pollution can take the form of any substance (solid, liquid, or gas) or energy (such as radioactivity, heat, sound, or light). Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants.
According to a report by the Worldwatch Institute on nuclear waste, Karachay is the most polluted (open-air) place on Earth from a radiological point of view. [8] The lake accumulated some 4.44 exabecquerels (EBq) of radioactivity over less than one square mile of water, [6] including 3.6 EBq of caesium-137 and 0.74 EBq of strontium-90. [4]
Nigeria has a major problem with pollution, where 78% of air pollution related pneumonia deaths are occurring in children less than five years old. 17. United Arab Emirates. Air quality index ...
The most polluted river in Japan from the 1960s to the 1990s, leading to cleanup efforts. [218] River Churnet: Staffordshire, England: Became possibly the most polluted river in Europe in the 19th century. Improved after the decline of industry in Leek and the Churnet Valley. [219] Charles River: Massachusetts, United States
In 1972, the very first photo showing Earth in its entirety made its debut. Since then, many similar 'Blue Marble' pictures have followed.