World Ecological Problems - Aramai Global Inc

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Ecology

Problems of the world today.

Ocean acidification is a growing environmental threat that threatens to reduce marine biodiversity in many corners of the world.

Climate change can bring problems of water supply as well as problems for agriculture.
Deforestation and the degredation of ecological systems can destroy the habitats of animals and birds.

Melting of polar ice and glaciers can bring changes. Changes to ocean currents can affect us. One of the latest studies from Marie Gardent and her team of the University of Savoie has assessed roughly 600 glaciers in French Alps and have  concluded that generlly, glaciers in the French Alps have lost a quarter of their surface area in the past 40 years.

Pollution. Americans use approximately 2.2 billion pounds of pesticides every year. Many of which are  harmful to environment. 46% of American lakes are too polluted for fishing, swimming, or aquatic life. More than one third of China's Yellow River is affected. About 80 % of urban waste in India ends up in rivers. Asian rivers are the most polluted in the world and have high levels of bacteria from human waste. Approximately 80% of sea pollution comes from land-based activities.

Global warming. Most scientists agree this is due to human activity. Current levels of greenhouse gases are much higher than they were in the pre-industrial period, and they are constantly growing. This is resulting in warmer temperatures. 1998 was the warmest year on record, followed by 2005. A sea level rise of up to one metre by the end of the century looks possible. Many scientists believe that the Arctic could be ice free before the end of this century. Weather could become unpredictable, with more frequent hurricanes, floods worldwide, severe droughts causing severe food shortages, and species destruction.

The ozone layer has an important function for life on our planet by protecting us from harmful radiation. There is still a significant ozone hole over Antarctica. The levels of ozone-depleting chemicals are declining but many of these have long life spans and can remain in the atmosphere for decades. The ozone layer recovery isn't expected to go smoothly.

 
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