Keyboard buttons. Coffee grounds. Cow farts. What do these things have in common? Over the years, they’ve all been put forward as possible sources of renewable energy. While they may seem crazy, scientists’ creativity is understandable — the search for clean, renewable energy is arguably the most pressing issue in modern science.
The topic of developing oil prospects in Alaska by offshore drilling concerns of damaging the Arctic environment and the marine life in many ways. The consequences of an oil spill are waters off Alaska are not only financial but oceanic. The offshore drilling affects wildlife directly.
Persistent Organic Pollutants (POPs) are an environmental and health threat to oceanic and land creatures as well as humans. They are man-made substances that are primarily carried through air and water currents. POPs settle in colder climates in the Arctic, such as Alaska where the temperatures reach below freezing. The contaminants rest there for long periods of time because the cold climate prevents them from breaking down. This is the main reason why POPs transfer from water to soil to plants onto animals and into humans.
Ocean freshening (the desalination of the oceans) is occurring, in part, due to increased terrestrial runoff and ice cap melting caused by rising carbon dioxide emissions. Ocean freshening causes a variety of problems on its own, independent of other variables of global climate change.
The effect fish processing bio-waste has on surrounding environments, habitats, and organisms is highly controversial. Although it is a natural pollutant, fish bio-waste has the ability to affect oxygen levels, salinity, temperature, pH levels, and the overall abundance of organisms in sea water.
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