Over the past two decades, non-governmental organisations (NGOs) have increased in number, size and scope and established themselves in pivotal positions in social, economic and political landscapes across the globe. Their role in the development world specifically has been transformed. Originally situated on the periphery of the development community and often directly opposed to its mainstrea...

Evaluation of ECMWF ERA-40 temperature and wind in the lower tropical stratosphere since 1988 from past long-duration balloon measurements T. Christensen, B. M. Knudsen, J.-P. Pommereau, G. Letrenne, A. Hertzog, F. Vial, J. Ovarlez, and M. Piot Danish Meteorological Institute, Copenhagen, Denmark Service d’Aéronomie, IPSL/CNRS, Verrières-Le-Buisson, France Centre National d’Études Spatiales, To...