30 Jun 10 The Great Lakes And Global Warming Will Result In Drastic Environmental Changes

Over the last century there has been an explosion in human growth and innovation that has added to our lives through technology and has also expanded how we view and understand the world. Climate change has been receiving increased attention in the media and scientific community. Irrespective of the cause, there is a truth in the observation that the Earth is experiencing an increase in temperature that will have far reaching consequences. The Great Lakes and global warming will vastly alter the landscape and environment of that area of America in the coming future.

This area is already dealing with the deleterious affects of invasive species, and something like climate change will only act like fuel to a fire. Twenty percent of the world’s fresh water comes from the Great Lakes, it is a major source of this finite resource and any depletion will have massive and widespread repercussions.

Being a huge reservoir for fresh water cannot be downplayed in its importance, but there are other things that the region provides. It is a main player in the waterway shipping, as well as a provider of hydroelectric energy to many surrounding areas. Many tourists flock to its shores, which are also a treasure trove of plant and animal species.

All is not right in the great lakes region, however, as it has been subject to urban development over the past hundred years. This construction and urbanization has led to air and water pollution as well as habitat destruction due to the building up of cities along its shores. All of these issues make something as simple as increased temperatures potentially devastating.

At this point there is still a thin layer of ice that builds up along the lakes at certain times of the year, but with increased temperature the ice will disappear. When the ice leaves, the lakes will evaporate at a higher rate and bring down the water levels.

Lake Superior was at its lowest levels in seventy seven years as recently as last year and the future could bring another meter of water loss. The effects of low water levels will impact shipping routes and will concentrate the pollutants left behind which will damage overall water quality, as well as the tourism industry such as cruises.

At the present, there are preliminary measure being discussed to restore the grandeur to the Great Lakes, but it will require billions of dollars over a number of years. Updating antiquated sewage treatment systems and cleaning up the already polluted sediment will be coupled with a natural buildup of wetlands that will act as a natural filter and barrier from invasive species.

There are more repercussions from climate change other than decreasing water levels and that includes an increase in the number and ferocity of storms and drought periods. In response to these weather extremes viral transmissions can increase and pollution runoff may be increased. Within the lakes there may be more dead zones, places where there is no oxygen because of algae overgrowth.

By the end of this current century it is believed that the temperature of the great lakes region will increase by two to four degrees, with precipitation increasing by 25%. Lake levels are predicted to fall anywhere from 1.5 to 8 feet.

The future may seem to hold a number of destructive elements, but they can be tempered by being proactive in the present and working to make the Great Lakes as great as they once were.

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Tags: climate, Education, environment, global warming, great lakes, Leisure, nature, recreation, scenery, toronto, Travel, Travel & Leisure, Vacation, water