Catchment management positions at the Macaulay Institute closing date 27th November 2009

Senior catchment modeller, environmental biogeochemist, environmental ecological economist, hydrologist, environmental scientist and environmental data coordinator.

CatSci final conference 2nd December 2009

Final reminder for conference to be held on 2 December at The Showroom in Sheffield, entitled "Contribution of research to Catchment Management". Find out how our Marie Curie Fellows have increased the understanding of the connections and interactions between the different catchment components, and spend a pleasant day with other people who are involved with catchment management.

I am happy to answer any questions you might have. Jenny Chambers PA to Prof D N Lerner Kroto Research Institute North Campus Broad Lane Sheffield S3 7HQ Tel 0114 222 5725Fax 0114 222 5701.

Nature paper: A safe operating space for humanity

A recent feature in the journal Nature (Rockstrom et al. 24th Sept 2009) has highlighted critical biophysical thresholds that could have disastrous consequences for humanity. Disturbance of the global nitrogen and phosphorus cycles aretwo key aspects.