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Greenhouse effect

July 14, 2016

Our climate is changing, pushing up the planet's temperatures, causing ice to melt at the North and South Poles, and sea levels to rise as a result. One reason is the greenhouse effect. But what is it?

https://p.dw.com/p/1JOkb
Thermometer with burning sun in the background
Image: picture-alliance/AP Photo/M. Probst

What is the greenhouse effect?