Showing posts with label water pollution. Show all posts
Showing posts with label water pollution. Show all posts

June 22 – A River Catches Fire!

Posted on June 22, 2016


How does a river “catch fire”? By being polluted. Really, really polluted.

On this date in 1969, a river fire on Ohio's Cuyahoga River caught the attention of the folks at Time magazine.

This river was one of the most polluted in the United States. Some sections of the river had no fish; the surface was covered with a brown, oily film, and masses of trash and debris sometimes floated atop of the oil slicks.

This is an actual, unretouched photo of what happened,
back in the 1960s, when you dipped your hand in certain
parts of the Cuyahoga River!!!
And there had been many other fires on the river, from 1868 to 1969. The photos used in the Time magazine article were from the largest Cuyahoga River fire, in 1952, because there are no known photos of the 1969 fire. 

But the Time article hit people when they were starting to have concerns for the environment. There was a sudden rush to clean polluted rivers and stop pollution from further damaging waterways. The Clean Water Act was passed, the Environmental Protection Agency was created, and an entire movement was born!

After decades of clean-up efforts, the Cuyahoga River is well on its
way to complete recovery, with more than 40 species of life.


Learn more about water pollution at eSchool Today

Here is a short video about water pollution.


Finally, have you heard about the 19 year old student who invented a way to clean plastic debris out of the ocean? This article will show you his idea, and this update shows that work is being done to bring the idea to life! (The inventor is now 21, I think.)






Also on this date:















































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March 14 – International Day of Action for Rivers


 Posted on March 14, 2016



No question about it, people need rivers. The need for a source of fresh water, and the use of running water for transport and energy, make rivers super important to people. And that is why most large cities and many smaller cities and towns are located on rivers.

Not only are most large cities founded on the banks of rivers,
entire empires have grown up around rivers!

Above, the Ancient Egyptian Empire developed along the
Nile River. Below, the Nile and Cairo, Egypt's capital, today.
Four European capitals are located on the Danube River:
Vienna, Austria; Bratislava, Slovakia; Budapest, Hungary; and Belgrade, Serbia.



Okay, people need rivers...
But do rivers need people?

Many rivers in the world have not just been used by people, they've been abused by people! 

Some rivers have been dammed up or diverted to irrigation channels or other commercial or private waterways. 

Some rivers have been polluted by factories dumping chemicals or hot water directly into them; other rivers have been polluted by run-off of pesticides from fields and lawns. 

Dammed, diverted, and polluted rivers need people – because they need us to take action to undo the harm we have done to them!





According to Young People's Trust for the Environment, more than 97% of the Earth's water is salty. Most of the remaining water is frozen in the polar ice caps. 

So ALL the fresh liquid water in all the rivers, lakes, underground reservoirs and springs, and even the fresh liquid water in the atmosphere and clouds – all of that crucial fresh liquid water makes up less than 1% of the world's water! 

Keeping it clean is pretty important!

The International Rivers website has a map you can use to find Actions for Rivers. 

And Create the Good has a useful step-by-step article about how to hold a river clean-up. We've done it – it was very satisfying!


Also on this date:

Pi Day, Pi Day, and more Pi Day 






Origami grandmaster Akira Yoshizawa's birthday 









































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September 9 – Ganesh Chaturthi

Posted on September 9, 2013


Today is the beginning of a Hindu festival that celebrates the rebirth of the Lord Ganesha, who is considered the god of wisdom, prosperity (riches), and good fortune. One of the most important traditions is the making or purchasing of models of Ganesha, the elephant-headed god. These statues may be as tiny as less than an inch (2 cm) or enormous—70 feet (21 m) or more! The tallest of these models of Lord Ganesha was about 117 feet tall (35 m).

Unfortunately, at the end of the festival (10 or 12 days for now), the tradition is to immerse the Ganesh models in lakes or rivers. In the olden days, people created the statues out of the mud near their homes, and they returned the mud to the Earth with this immersion—but nowadays, many people buy or make Plaster of Paris models adorned with beautiful paints that include heavy metals such as mercury and cadmium. Plaster is non-biodegradable and doesn't dissolve in water, and of course the heavy metals in the paint cause water pollution. Many intricate Ganesh models have non-biodegradable accessories that accumulate on the shores of the lakes and rivers.

The government of Trinidad and Tobago, where many Hindu people celebrate this holiday, has launched efforts to educate the people about the pollution problems caused by some Ganesh statues. There are many possible solutions being urged and tried. Of course, some people are going back to using natural clay; in contrast, some people buy permanent statues made of stone or brass, which can be immersed for symbolic purposes but which don't dissolve (and can be used year after year). And some people love their painted plaster models but immerse them in tanks of water rather than public waterways.

Check out this video of hundreds of people gathering to enjoy each other's Ganesh models—and to immerse them lakes and rivers. 

Check out these amazing pictures of the Lord Ganesha.




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