1. IPCC: Fourth Assessment Report – Climate Change 2007, Genf 2007. PDF‐Downloads: Synthesis Report (52 S.) unter www.ipcc.ch/pdf/assessment-report/ar4/syr/ar4_syr.pdf;
2. Summary for Policy Makers (24 S.) unter www.ipcc.ch/pdf/assessment-report/ar4/syr/ar4_syr_spm.pdf.
3. IPCC: Fourth Assessment Report – Climate Change 2007, The Physical Science Basis, Genf 2007. PDF‐Download: www.ipcc.ch/ipccreports/ar4‐wg1.htm.
4. Deutscher Wetterdienst: Der KLIMA‐Report 2006, Offenbach 2007.