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The history of environmental pollution traces human-dominated ecological systems from the earliest civilizations to the present day. [1] This history is characterized by the increased regional success of a particular society, followed by crises that were either resolved, producing sustainability, or not, leading to decline.
Recent work using DNA from seawater samples emphasized the importance of viruses and microbes role in recycling organic matter from the surface ocean, known as the microbial loop. These many microbes can get their energy from different metabolic pathways. [21] Some are autotrophs, heterotrophs, and a 2006 study even discovered chemoautotrophs. [21]
An aurora [a] (pl. aurorae or auroras), [b] also commonly known as the northern lights (aurora borealis) or southern lights (aurora australis), [c] is a natural light display in Earth's sky, predominantly seen in high-latitude regions (around the Arctic and Antarctic). Auroras display dynamic patterns of brilliant lights that appear as curtains ...
The North Pacific Garbage Patch on a continuous ocean map. The Great Pacific Garbage Patch formed gradually as a result of ocean or marine pollution gathered by ocean currents. [39] It occupies a relatively stationary region of the North Pacific Ocean bounded by the North Pacific Gyre in the horse latitudes. The gyre's rotational pattern draws ...
The scientific name for the aforementioned northern lights is Aurora borealis and it happens when electrically charged particles from the sun collide with Earth’s atmosphere at speeds up to 45 ...
Electrons can surf electromagnetic waves toward Earth, reaching speeds of up to 45 million miles per hour.
While marine pollution can be obvious, as with the marine debris shown above, it is often the pollutants that cannot be seen that cause most harm.. Marine pollution occurs when substances used or spread by humans, such as industrial, agricultural and residential waste, particles, noise, excess carbon dioxide or invasive organisms enter the ocean and cause harmful effects there.
The Promachoteuthis squid, an extremely rare genus of squid known only from a few collected specimens that have been found as long ago as the late 1800s. Courtesy of the Schmidt Ocean Institute