Final IHSS Blog- Rivers That Don't Flow Freely - JM

John Mazziotti
May 16th, 2019
IHSS
Mr. Roddy
Final IHSS Blog
Article: https://on.natgeo.com/2VXJO7C

2/3rds of the largest rivers in the world have stopped flowing freely on their own. This only leaves 1/3rd of the rivers in the world unaffected by man or man made structures. The uneven flow of these rivers could easily cause havoc on our economy. These rivers actually help with our ecosystem, human and wildlife depend on free flowing rivers. It helps with our agriculture, giving us sediments that we depend on for our agricultural needs. Another large issue, is that these rivers that have a major impact on whether our cities flood or not. This is because the free flowing rivers take this water to larger bodies of water, and away from our cities.  The problems that artificial dams and hydro power plants cause is immense, and the quantity of them in the world is staggering. Just in the Balkan region of Europe, there are 3,700 hydro power plants. Worldwide, there are just over 60,000 dams worldwide, making this a problem on a global scale. In IHSS this year, we had a whole period during the year based on economics. I wanted to write about this because of how this can globally affect our economy, food and fresh water sources, and entire ecosystems. This is can impact a large portion of our future, depending on if these dams are modified or demolished. This years IHSS class helped assist me in going over this problem and identifying the economic downsides.

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