What evidence is there that the earth is actually warming up? Please help!tysm ;)

1 answer:

5 0

Scientists use carbon dioxide levels to measure global warming. These are usually measuring in parts per million. Here is a link to a graph of CO2 levels over the past centuries: http://climate.nasa.gov/evidence/
But if you want physical evidence some include rising sea levels, global temperatures rising, warming oceans, and shrinking ice sheets.

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