To catch up read: how they affect our land and water.
Air
Landfill is the cheapest way of disposing MSW, but all efforts to get rid of waste pollute the environment to some extent. In landfills the disadvantages are that gases and chemicals are released into the air we breathe. Experiments show that the gases and chemicals released from landfill sites are harmful to animals which common sense would tell us, it’s harmful for us too.
Early landfills were put in convenient locations on the least expensive land. The waste was ‘out of sight out of mind.’ People did not realize that as the waste rots and decomposes, it can release toxic chemicals.
Bacteria
However, there is another problem with landfills, whether lined or not. Bacteria in the soil, break down organic matter in the landfill, such as vegetable peelings. As they do so, they release methane gas. Methane…
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