Summary
Using oil can damage the Earth’s air and water.
Scientists are testing clean energy like solar and wind to replace oil.
Key Points
4 points1
Petroleum is a natural resource that we dig up and turn into fuel.
2
Burning petroleum releases gases that warm the planet.
3
Renewable energy sources, such as sunlight and wind, produce power without harmful gases.
4
Switching to clean energy needs new technology, buildings, and cooperation worldwide.
New Words to Learn
4 wordspetroleum
a natural oil used for making fuel and many products
renewable
energy that can be used again and again, like sunlight or wind
technology
tools and machines that help us solve problems
cooperation
people working together to reach a common goal
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