1. Los Angeles Mexico City Parijs madrid Washington Boston New York Cairo Jakarta Singapore Delhi Teheran Moskou Hong Kong Seoul Tokyo Sjanghai Peking Bangkok Tel Aviv Beirut Pretoria wereldwijd

3. London parijs Randstad Po-vlakte Vlaanderen Ruhr-gebied

4. Richter, Nature (2005) GOME 1996-2002 SCIAMACHY 2003-2006 Reductie Europa, (deel) VS Toename (delen van) China

5. 5 Richter et al., GRL 2004

6. GOME-2 NO 2 : Shipping signals Pattern of shipping NO 2 close to Somalia has changed in 2007 Pattern of shipping NO 2 close to Somalia has changed in 2007 Probably in an attempt to evade pirates Probably in an attempt to evade pirates Richter

7. Beirle et al., 2003

8. 8 Firn / IJs

9. Utr ech t Uni ver sity, 17 Nov 200 9 Methane yearly average as seen from SCIAMACHY Wetlands,

10. Utr ech t Uni ver sity, 17 Nov 200 9 Methane yearly average as seen from SCIAMACHY CoalWasteAgricultureRice

11. 11 Air

13. 2 plaatjes Sander 2 plaatjes Sander 13