Speech global warming

This is caused by the greenhouse effect, which is when greenhouse gases let sunlight in to the lower atmosphere which warms the earth and then blocks the heat from leaving. The greenhouse effect is a natural occurrence mostly caused by water vapors. Mankind is contributing to this problem by creating large amounts of greenhouse gases, mostly by burning fossil fuels. The burning of fossil fuels disrupts the natural balance of the earth’s temperature and as a result, the earth warms.

When the earth warms it causes glaciers to melt like in Greenland. Global warming is melting the last edge of Grassland’s ice sheet and is adding billions of tons of water which is resulting in rising sea levels. This causes more frequent flooding, and ere low lands could be submerged completely. Rising sea level can also harm important ecosystems such as forests and coral reefs. We can prevent global warming from getting worse by reducing our use of burning fossil fuels, planting trees, and recycling.

Now you’re thinking how are we going to do this? Well it’s simple. There are two ways to reduce burning fossil fuels: use less energy and use non polluting energy sources such as solar and wind power. Carbon dioxide is the primary greenhouse gas emitted through human activities. Planting trees is important because trees absorb arbor dioxide and release oxygen. Therefore it can slow down or stop global warming.

Recycling reduces greenhouse gases by keeping materials out of the landfill and reducing the need of mining. O once waste has been dumped in landfills, very little air remains below the surface. Food waste, paper, grass, and other organic matter turns into landfill gas when on landfills , which is 50 percent methane gas which is type of greenhouse gas.

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