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Are Humans To Blame For Global Warming?

980 words - 4 pages

Over the recent years, global warming has become a hot topic, due to the melting of polar ice caps and extreme temperature changes across the globe. Since 1960, the percentage of carbon dioxide in our atmosphere has increased by 20%, which is the highest recorded in 800,000 years. The true question though is whether this is due to natural causes or whether it’s the impact humans have on the earth’s delicate ecosystem.

The main signs that global warming is currently affecting our world is the rapid temperature changes in certain areas causing wild weather such as tropical storms and floods. Sea levels are rising as an effect of melting of the polar icecaps which are effectively increasing ...view middle of the document...

Many people believe that it is just industries that burn fuels, but, in fact, industries aren’t the only ones at fault. Using motor vehicles such as cars, buses and motorbikes are the main producers of harmful gases in the atmosphere because it burns petrol and diesel in engines, creating harmful gases such as sulphur dioxide – the main cause of acid rain – and carbon monoxide and dioxide. Not only do these produce harmful gases - that are factors in the effects of global warming - so do all of our electronic devices in our homes.

More than 85% of the worlds energy, is produced by the burning of fossil fuels such as coal, oil and gas. These fuels are burned to generate electricity that powers our ever-changing technological society. Mobile phones; computers; televisions; lights; heating; ovens; fridges; all of this new age technology uses electricity that is burned from fuels releasing gases only to create more problems and ways to contribute to global warming. With these arguments, humans seem like the primary factor in the global warming situation. It can also be argued however, that the changing natural environment creates harmful gases in the contribution to the problem.

A natural cause that can be attributed to global warming is the earth’s natural lifecycle that around 12,000 years ago was the earth’s last ice age. During the ice age, the earth goes under rapid cooling and freezing. However, when the conditions change, the earth and its atmosphere heat up causing the ice to melt. It can be said that the earth still to this day is heating up from the last ice age, which is why the temperature of the earth today is still increasing. Despite the fact that this event occurred thousands of years ago, the earth will still continue to increase its temperature naturally, until signs of cooling of the next ice age.

The earth keeps heating up, but anther natural...

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