1. Consequences of changed wetness on riverine nitrogen – human impact on retention vs. natural climatic variability

   • Lotta Andersson
   • Berit Arheimer

   Original article Pages: 93 - 105

2. Developing sustainable practices to adapt to the impacts of climate change: a case study of agricultural systems in eastern England (UK)

   • I. Lorenzoni
   • A. Jordan
   • J. Hall

   Original article Pages: 106 - 117

3. The relationships of sprawl and ozone air quality in United States' metropolitan areas

   • Gerald Emison

   Original article Pages: 118 - 127

4. The earth system: regional–global linkages

   • P. Tyson
   • W. Steffen
   • L. Lebel

   Original article Pages: 128 - 140