Pollution

centuries. In doing so, he invented machines and instruments. They have been working – and polluting the world we live in.

not belong to any country: air and ocean water. In both the air and the water, there is much pollution. People are concerned about the air and the water used by everyone, and they are also concerned about the future of the Earth.

ships sail in the ocean water – fishing ships, some ships carrying people, some carrying oil. If a ship loses some of the oil in the water, or trash from the ships is put into the ocean, the water becomes dirty. Many fish are dying in the sea, others are getting contaminated. Fisherman catch contaminated fish which may be sold in markets and people may get sick from eating them. Fish may also move to another part of the ocean. Lakes and rivers are getting polluted, too. Some beaches are considered dangerous for swimming

polluted the air we use. It also destroys the ozone layer, which protects the Earth from the dangerous light of the Sun.

This, in turn, affects the balance of nature.

we live in, or in a better or healthier world, we must learn to protect the water, the air and the earth from pollution.