ScienceBlog

Supporting 21st Century Science GCSE

ScienceBlog

Scienceblog.org is our own portal for students and teachers. It brings all our latest articles, free images, newsfeeds, downloads, multimedia resources, and weblinks relevant for the study of  21st Century Science. This site is o­ne of  number of complementary websites we have developed for science education. All developed using wonderful Open Source software!

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Removing wetlands : A recipe for disaster

The desire for new buildings has led to an enormous amount of wetland areas being removed in New Orleans. These are natural defences against the effects of storms.....






A disaster that was inevitable?

It is not as if the warnings had not been given. Not days before Hurricane struck, but years ago. The depleted wetlands, the result of the need/desire to have more building space, the fact that parts of New Orleans are below sea level, and inadequate protection ( levees) for anything above a Category 3 Hurricane, all contributed to the disaster. A cross-section of the city of New Orleans can be found here . The location of Lake Pontchartrain can be viewed here .

New Orleans was a very convenient location for commerce. Commerce equates to money and wealth. Environmental issues and problems becomes secondary, it appears, when put alongside the desire to make money. Yet these environmental problems did not go away. The philosophy of turning a blind eye while making a quick buck cam back to haunt the people of New Orleans in a most tragic way.

The loss of wetlands, removed for the construction of new offices and homes, cannot be underestimated. Wetlands are absolutely vital for absorbing and storing floodwaters. They are nature's natural constructions for protection against the ravages of hurricanes. In the past 70 years it has been estimated, by the US Geological Society, that approximately 2000 square miles of wetlands have been removed, by draining the areas. Replace these natural defences with inappropriate man-made constructions, unable to withstand severe hurricanes, and it is not a question of 'if' but 'when' the major disaster would happen.

Revealing Articles .........

http://americanradioworks.publicradio.org/features/wetlands/hurricane1.html

http://www.nola.com/hurricane/?/washingaway/

http://www.salon.com/opinion/blumenthal/2005/08/31/disaster_preparation/index_np.html

http://www.greenpeace.org/usa/news/hurricane-katrina

http://www3.nationalgeographic.com/ngm/0410/feature5/

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Are we alone?

On March 13th, 1997 hundreds of citizens in Phoenix, Arizona (USA),  experienced a unique phenomena of lights that has defied 'official' explanations.

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Katrina and Hurricanes

What exactly is a hurricane? How do they orginate? What havoc and destruction can they cause?

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Earthquakes and Tsunamis: 26th December 2004

The tragic effects of earthquakes and tsunamis were brought to the world's attention o­n 26th December, 2004, by the massive earthquake of magnitude 9.0......

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MRSA, Superbugs and Hospitals

So, you think that hospitals are a safe place to get well? Think again.

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Legacy of a Nuclear Disaster

On April 26th 1986, a combination of human error and poor system technology resulted in o­ne of the greatest nuclear power disasters the world has experienced. 

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Genetically Modified Foods?

Looking for useful resources o­n GM Foods? This is an area of considerable debate, and an awful lot of confusion!

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Food Additives

Looking for useful resources for a project in Food Additives?

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Radioactive Decay Demonstrations

Looking for some interactive demonstrations for radioactive decay?

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What can we do to reduce air pollution?

What can we do to reduce levels of air pollution?  Here are some useful websites you can visit to find out more about what we can all do to reduce pollution.

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