Ocean of garbage

September 20 was Coastal Clean-up Day. But, is one day enough to clean up our coastlines? Over 80 per cent of plastic that is found in the seas has been washed out from land. a visit to the coast will give you an idea of the scale of the crisis

A study conducted in the Netherlands found that 95 per cent of sea birds in the North Sea had plastic inside their stomachs; one bird in Belgium had 1600 pieces of plastic in its stomach. Nearly 600,000 tons of discarded plastic is believed to have settled at the bottom of the North Sea.

There is so much plastic waste that is floating on our seas that researchers, scientists and regular ocean travelers refer to these as continents of plastic; a single plastic continent could weigh over three million tons.

One only needs to do simple ‘garbage in oceans’ search on the Internet to actually find out the scale of the problem that we have created. Tens of thousands of pages of shocking information and pictures about the state of the oceans that cover 70 percent of this planet. It is important also to bear in mind that this is a problem that is essentially created by humans. Over 80 per cent of the plastic that is found in the seas has been washed out from land – from our landfills, from our garbage cans – the plastic that we use and carelessly throw away day after day.

All of us may not have the opportunity to see what is happening in the far away oceans, a visit to any of our coast lines that is piled up with waste of all kinds gives us a good idea of the scale of this crisis.

Coastal Clean up day was on September 20, and was one effort at dealing with the problem when a large number of organizations and volunteers all over the world came together to clean up the coasts. The magnitude is such, that efforts like this can only make a small dent. A much better and long term solution, experts point out, is to adopt the 3R principle – Reduce, Reuse, and Recycle. That might be the only way out, because how much ever we clean up, the waste is not going away if we continue to generate it at the pace and quantities that we are presently doing.

Importance of Lake

There was a lake in pallikaranai. This is the largest natural rainwater harvesting system in the region which is linked to the Bay of Bengal through a network of backwaters and outlets. This lake serves two important function — flood control in the hinterland areas and ground water recharge.

We also came to know that this lake was once home to 45 species of fishes, 10 species of frogs, 21 species of reptiles, 110 species of birds and 10 species of mammals.

While testing the samples of soil, air and water, revealed that a total of nine dangerous chemicals in the ambient air exceeded permissible limits and they are known to cause dangerous diseases.
Then the village community was called out and a team of students had put up a street play on pollution telling them that the future of this lake is in their hands.

The play highlighted the uses of the lake, causes and effects of pollution to the environment and the preventive measures to be taken to put an end to it.

Manage your time

Every day there are many things you have to do. You have to get ready for school, eat breakfast, and catch the bus. Then when you come home, there is home work and tuition and little tasks mother might want you to do. You may like playing with your friends, watching TV or playing computer games better than doing homework. You may have dance classes or tuition. You may have a hobby or like playing with your brother or sister or pet. Can you do all these things as and when you want to? No, you cannot.

Everything has to have a special time, if your life is to go smoothly. If you play with your pet and sit up late for your homework, you may do it very untidily, or fall asleep in the middle and not do it at all. If you don’t get your diary signed at night when mother also has time, you may forget to ask her in the morning. So what do you do to fit everything in?

You need to make the best use of your time. To do this, you need to think about what is important and what is not. What needs to be done everyday and what can be put off till the week end? When you get home from school, give yourself some time to relax and have something to eat so that you are not tired. Then have a bath and plan your evening till dinner and bed time.
A good idea would be to draw a large timetable and divide it into three. Under each section write down what you have to do and when you should do it. There are certain things that need to be done at the right time. Your school bag is best packed at night before you go to sleep. If you leave it too late, you will rush around and forget something. The same applies to your clothes and shoes.

So think of what you would put under each column. When you plan your activities and keep to routine and good timing, you will find that you will also have time to talk to your parents and family members and perhaps even time to read your favorite story book. . You will feel happy when you go to bed that everything is done well.

Circulation of Blood

Here we are going to discuss about the blood circulation. The unpurified blood is sent from the right side of the heart to the lungs, and then it is purified and again sends back to the left chamber of the heart. From there only, the purified blood will sent to all other parts of our body through the Arteries and then it comes back as unpurified blood to the right chamber of the heart through Vein.

The blood from the artery is changed to vein through miniscule capillaries. The cardial valves in the chambers of the heart perform the unidirectional circulation of blood by opening the valves unidirectionally.

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