Answer:-
Methane comes from both natural and human sources. Naturally, it is produced in wetlands, where bacteria break down organic matter in low-oxygen environments. It also comes from oceans, wildfires, and the digestive systems of animals like cows. Human activities release large amounts of methane through agriculture, especially livestock farming, landfills, coal mining, and oil and gas extraction. When organic waste decomposes without oxygen, such as in landfills, methane is released. Fossil fuel operations also leak methane into the air. Since methane is a potent greenhouse gas, reducing its emissions is essential for slowing climate change and protecting the environment.
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