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Animal agriculture worldwide encompasses 83% of farmland (but only accounts for 18% of the global calorie intake), and the direct consumption of animals as well as over-harvesting them is causing environmental degradation through habitat alteration, biodiversity loss, climate change, pollution, and trophic interactions. [176]
Plastic pollution in the ocean is a type of marine pollution by plastics, ranging in size from large original material such as bottles and bags, down to microplastics formed from the fragmentation of plastic material. Marine debris is mainly discarded human rubbish which floats on, or is suspended in the ocean.
Plastic pollution has also greatly negatively affected our environment. "The pollution is significant and widespread, with plastic debris found on even the most remote coastal areas and in every marine habitat". [77] This information tells us about how much of a consequential change plastic pollution has made on the ocean and even the coasts.
Breaking it down by impact category: 98% of the parks they studied suffered from haze pollution, 96% faced ozone pollution that impacts humans and 96% of national parks have plants and animals ...
[28] [29] [30] One well known example of a species affected is the polar bear, whose habitat in the Arctic is threatened. [31] Algae can also be affected when it grows on the underside of sea ice. [32] Warm-water coral reefs are very sensitive to global warming and ocean acidification. Coral reefs provide a habitat for thousands of species.
Plastic pollution has the potential to poison animals, which can then adversely affect human food supplies. [ 161 ] [ 162 ] Plastic pollution has been described as being highly detrimental to large marine mammals , described in the book Introduction to Marine Biology as posing the "single greatest threat" to them. [ 163 ]
Nature versus nurture: Scientists are gathering more evidence on which has more of an impact on human well-being amid the aging process. While both environmental exposures and genetics are known ...
Noise pollution is widespread, which is mostly a result of transportation networks. [9] Although there are many effects of noise pollution, two specific consequences are adjustments in population distribution and modified animal communication. Birds provide a clear example of both of these consequences.