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  2. Sirenia - Wikipedia

    en.wikipedia.org/wiki/Sirenia

    The meat, oil, bones, and skins are commercially valuable. Mortality is often caused by direct hunting by humans or other human-induced causes, such as habitat destruction, entanglement in fishing gear, and watercraft collisions. Steller's sea cow was driven to extinction due to overhunting in 1768.

  3. Human impact on marine life - Wikipedia

    en.wikipedia.org/wiki/Human_impact_on_marine_life

    The pollution often comes from nonpoint sources such as agricultural runoff, wind-blown debris, and dust. These nonpoint sources are largely due to runoff that enters the ocean through rivers, but wind-blown debris and dust can also play a role, as these pollutants can settle into waterways and oceans. [27]

  4. Manatee - Wikipedia

    en.wikipedia.org/wiki/Manatee

    Manatees (/ ˈ m æ n ə t iː z /, family Trichechidae, genus Trichechus) are large, fully aquatic, mostly herbivorous marine mammals sometimes known as sea cows.There are three accepted living species of Trichechidae, representing three of the four living species in the order Sirenia: the Amazonian manatee (Trichechus inunguis), the West Indian manatee (Trichechus manatus), and the West ...

  5. Environmental impacts of animal agriculture - Wikipedia

    en.wikipedia.org/wiki/Environmental_impacts_of...

    Cows, sheep, and other ruminants digest their food by enteric fermentation, and their burps are the main source of methane emissions from land use, land-use change, and forestry. Together with methane and nitrous oxide from manure , this makes livestock the main source of greenhouse gas emissions from agriculture.

  6. Marine pollution - Wikipedia

    en.wikipedia.org/wiki/Marine_pollution

    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.

  7. Florida's sea cows will soon make their way inland for ... - AOL

    www.aol.com/news/floridas-sea-cows-soon-way...

    Each fall, manatees travel from coastal areas to inland rivers, creeks and warm water areas like the FPL Plant near Manatee Park on the Orange River.

  8. Converting cow manure to fuel is growing climate solution ...

    www.aol.com/news/converting-cow-manure-fuel...

    Biofuel experts say digesters can reduce air pollution. Dairy and digester capital. Home to about 1.7 million cows, California is the country's leading dairy producer and a large contributor of ...

  9. Dugong - Wikipedia

    en.wikipedia.org/wiki/Dugong

    The dugong (/ ˈ d (j) uː ɡ ɒ ŋ /; Dugong dugon) is a marine mammal.It is one of four living species of the order Sirenia, which also includes three species of manatees.It is the only living representative of the once-diverse family Dugongidae; its closest modern relative, Steller's sea cow (Hydrodamalis gigas), was hunted to extinction in the 18th century.