Factories
There's a lot of harmful gases released into the air and water
Transport
The carbon dioxide in oil goes into the atmosphere when the car is running
Electricity
Electricity can come from renewable sources
Cows
With about 1.5 billion cows around the world, methane is having a big effect on climate change
Landfill
Our lands are growing and using up more healthy land
Food
We need food to survive ,but it creates a lot of pollution .
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