Frequently Asked Questions (FAQ)
What’s the difference between ‘weather’ and ‘climate’?
El Niño / Southern Oscillation (ENSO) Phenomenon?
Does El Niño have an influence on the climate in Europe?
What are the requirements of the Kyoto Protocol?
What is the IPCC?
What will the climate in Europe look like in the middle of the 21st century?
How can we predict how the climate will change?
What is the Gulf Stream?
What role do condensation trails play in our climate?
How do clouds and rain form?
Could hurricanes or tornadoes develop in Europe?
Will the flooding of rivers in Germany become more frequent?
How much is sea level rising?
Has the climate in recent years been affected by changes in solar radiation?
Is waste heat produced by human activities important for the climate?
Could global warming halt the Gulf Stream? Could it bring about a new ice age?
Is the number of tropical storms increasing?
FAQs from the IPCC AR4
The Frequently Asked Questions taken from the chapters of the IPCC Fourth Assessment Report, Working Group 1 "The Physical Science Basis", are collected here: 
www.ipcc.ch/publications_and_data/ar4/wg1/en/faqs.html