- Cities are releasing more methane gas.
- Scientists used satellites to measure methane.
- They checked many large cities around the world.
- Methane makes the planet warm quickly.
- Urban emissions rose compared with earlier years.
- Some European cities saw lower emissions.
- Counting methods miss some methane sources.
- Better city data helps make good rules.
Difficult words
- methane — a gas that makes the Earth warm fast
- satellite — a machine in space that watches Earthsatellites
- emission — gas or smoke released into the airemissions
- urban — related to a city or town
- scientist — a person who studies natural thingsScientists
- source — where something like gas comes fromsources
Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.
Discussion questions
- Do you live in a city or in the countryside?
- Does your city check air or gas?
- Have you noticed bad air in your city?
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