What is pollution?                                                                                                                          Pollution is everywhere. Pollution occurs when chemicals and other foreign substances leech into the ground, air and water.We currently have only one planet to live on, which is why pollution is such a big issue. Pollution occurs in many different forms, some more obvious than others, but we should think  about how we can through it, no matter what form it comes in. What are the forms of pollution? Why do we need to reduce pollution, and what can we do before it's too late to change our ways?

What are the 3 types of pollution?                                                                                               

1. Water: Water pollution upsets both land and sea ecosystems, either by killing plants and animals directly or by encouraging toxic algae growth. Chemicals that are dumped from the surrounding environment into the water supply or run into the water result in water pollution. There is that much plastic in the ocean that there are three islands made from plastic in our oceans. Water covers about 71 percent of the Earth. 96.5 percent of that is ocean water, with so little water to drink on our planet, only about three percent of the planet's water supply can be drunk, and two percent is locked up in glaciers.
2. Land: Ecosystems continue to function, but due to land loss, they have a significantly reduced capacity to provide native plants and animals with crops, water, grazing and habitat. More than half of the agricultural land in Australia is considered "seriously degraded." Increasing salinity (due to over-irrigation and loss of native vegetation) costs Australia hundreds of millions each year in lost agricultural production, and the direct salinity costs are heading in the same direction. Salinity is burning crops, spoiling drinking water and damaging natural ecosystems. More than 30% of Australia's agricultural land is considered 'severely degraded.' 
3. Air: The things we put in the atmosphere cause air pollution. Even the carbon dioxide we exhale is known as air pollution, but that doesn't mean we have to  stop breathing. The most important problems were automobiles, factories and other industrial sources. Air pollution leads to respiratory disorders like lung cancer, even in people who have never smoked in their lives for a day. As the world gets warmer and more populated, our cars keep pumping out toxic pollution, and half the world does not have access to clean fuels or technology (e.g. stoves, lamps), the very air we breathe is dangerously polluted. Nine out of ten people now breathe polluted air, which kills 7 million people every year.
    

Why this need to change?

1. Wildlife: Animals are born with defects due to pollution. They have a tortoise born with two heads at a science centre I've visited several times. The tortoise was discovered in a dirty body of water, most likely causing it to have two eyes. Pollution impacts wildlife negatively and will continue to do so well in the future. A 2004 article in "New Scientist" notes that pollution in Great Britain is the primary cause of the disappearance of various butterfly species and other insects.
2. Danger to future generations: The global average temperature has risen by about 0.74 degrees Celsius (34 Fahrenheit) over the past 100 years. If we don't change our acts now, it will be a nightmare for our future and for our families. Some types of animals will be extinct, less natural resources will be available for human use, and in 10-15 years from now our level of ozone may not even exist. While environmental health and safety advocates are trying to raise awareness of the risk pollution, if pollution persists at its current rate, the potential consequences could be detrimental to humans and the environment.
3. Health: This is not good for humans because these compounds were eaten by animals in the sea. We eat infected fish and rodents as human beings, causing us to get sick. Direct plastic toxicity is caused by lead, cadmium, and mercury. In many fish in the ocean, these toxins were also present, which is very dangerous for humans. Plastic toxins are directly linked to cancers, birth defects, problems with the immune system, and problems with childhood development.  Pollution has a negative impact on our health, even if you don’t come into contact with it during your daily life. Pollution from air, land and water is responsible for about 40 percent of global deaths.