poster enviromental problems

ENVIROMENTAL PROBLEMS

Gema Galán,Chloé Marcos,Sara Diaz and Lucía Blanco

GREENHOUSE EFFECTS

CFC'S AND O3 LAYER

ACID RAIN

CONSEQUENCES

Respiratory issues in animals and humans. Harm to aquatic ecosystems when acid rain flows into rivers and ponds. Corrosion of water pipes, which can lead to leaching of heavy metals such as iron, lead and copper into drinking water. Damage to buildings and monuments made up of stones and metals. Harm to fish and other wildlife in aquatic environments, such as streams, lakes, and marshes.

EFFECTS

Acid rain can be extremely harmful to forests. Acid rain that seeps into the ground can dissolve nutrients, such as magnesium and calcium, that trees need to be healthy. Acid rain also causes aluminum to be released into the soil, which makes it difficult for trees to take up water.

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GREENHOUSE EFFECTS

• ORIGIN

The origin of the greenhouse gases is mainly from fossil fuels (coal, oils and natural gass), agriculture and land cleraing.

• HISTORY

In 1896 a scientist called Svante Arrhenius said for the first time that fussil fuels could acelerate the temperature of the Earth, this was only a theory that till 1980 peole didn't take acount and is when the ONG began to give more importance to this enviromental problem.

• SOLUTIONS

To stop climate change, we need to stop the amount of greenhouse gases, like carbon dioxide, from increasing. For the past 150 years, burning fossil fuels and cutting down forests, which naturally pull carbon dioxide out of the air, has caused greenhouse gas levels to increase.

CONSEQUENCES

Human action is causing an increase in global temperature. For that reason, the greenhouse effect, far from being our great ally as was the case in the past, is now a risk to our survival. The flooding of coastal cities, the desertification of fertile areas, the melting of glacial masses and the proliferation of devastating hurricanes are just some of the main consequences.

EFFECTS

Greenhouse gases have far-ranging environmental and health effects. They cause climate change by trapping heat, and they also contribute to respiratory disease from smog and air pollution. Extreme weather, food supply disruptions, and increased wildfires are other effects of climate change caused by greenhouse gases.

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ACID RAIN

• ORIGIN

Acid rain is caused by a chemical reaction, the burn of fossil fuels,that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air.

• HISTORY

Thisproblem appeared for first time in 1850, when the mills of cotton and factories began to use carbon and this way they produced a lot of smoke. This envirometal problem is very common in China cause is one of the countries with the most burned fussil fuels in the world.

• SOLUTIONS

Since we are its main cause, the solution to the problem of the acidification of the environment is in the hands of humans: to mitigate acid rain, it is essential to reduce pollutant emissions. For this, there needs to be a commitment at government and corporate level to drive a series of measures, for examples:Filter and detoxify the water used by the factories,Reduce the emission of pollutant gases by industry.

CONSEQUENCES

Ozone layer depletion is a major concern and is associated with a number of factors. The main causes responsible for the depletion of the ozone layer are listed below:

Natural Causes

Nitrogenous Compounds

Unregulated Rocket Launches

Chlorofluorocarbons

EFFECTS

Gaseous CFCs can deplete the ozone layer when they slowly rise into the stratosphere, are broken down by strong ultraviolet radiation, release chlorine atoms, and then react with ozone molecules.

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CFC'S and O LAYER

• ORIGIN

They derive from satured hydrocarbons and are produced by industrial synthesis (they have no natural emission sources).

• HISTORY

This was a problem that was predicted in 1974, but people didn't belive it until 1984 when a big hole in the ozone layer was discovered, from that moment goverments of almost the whole world try to reduce as possible this CFC consume.

• SOLUTIONS

Avoid buying objects that include CFCs among their components, especially air conditioners. Reduce using high-consumption appliances. Whenever it is not expressly necessary, avoid using air conditioning & heating. Report activities that use methyl bromide