#2 Pollution!

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I choose this topic, because it´s affecting a lot our world, and damaging it.

Pollution is a introduction of a contaminant to a natural environment, but as some  people may think, not only humans that are responsible for all the pollution in our planet. All animals when they breath, release carbon dioxide, that cause partially affect air pollution and damage the planet atmosphere.

There is not only one type of pollution, there is: air pollution, land pollution, sound pollution, light pollution and finally water pollution.

The land pollution, is the type of pollution all of us contribute, the house or industrial garbage. But depending where this gargabe is going, it can  damage or benefit the environment. If it´s destination are dumps and landfills, it going to damage ( a lot) our environment. It can also happen that garbage ends up on rivers, causing water pollution.But the ones that are collected for recycle are going to benefit the planet, by reusing the materials and not polluting.

Water pollution happens when solid or chemicals are introduced to the water. An example is on places where have agricultural production that uses pesticides and fertilizers, and it happens surface runoff, making all the fertilizers go into the water. This type of pollution may affect on marine life, animals may not distinguish garbage from food and eat it, by accident.

The air we breath have the same composition, but when  they are added differently, it happens the air pollution. Like I said in the begginning, animals contribute for the amount of carbon on the atmosphere, but that don´t change much, the factor that affect very dangerously our environment, are: cars, industries, planes, etc.

The noise pollution happens when sound coming from cars, industries, planes, motorcycles, reach a really high level. These sounds can affect our health, by causing stress, high blood pressure, etc. But this noises do not only affect land, it can also affect marine animals, by the noise of ships. It even kill some marine species that depend on natural underwater world.

And finally the light pollution. The light, I think that on this point the human beings cannot imagine life without it. But for the other species in our world, that light can really harm them, specially the birds, that with the presence of artificial light, they sing and eat at different hours they are suppose to. And the turtles. The new born turtles that just hatched their eggs use starlight reflected on the waves to go to the ocean, but with the lights on, in the street they can confuse their way, and go in the wrong direction. This turtles can even die, when a car hits them.

And the conclusion is that, we need to take care of our planet. We need to avoid more pollution. For that we can, recycle our garbage, turn off the lights when we are not using them, instead of gasoline, use alcohol, that pollutes less, and don't trow trash on rivers. If we do that, we can live in a BETER WORLD!!!