Ferdousi Begum, executive director, of DEBTEC the Development of Biotechnology and Environmental Conservation Centre and winner of the Bangla Academy Science Writing Award, explains why the IPCC views Bangladesh as the most vulnerable to the impacts of climate change, including the increasing frequency of extreme weather events, and what she calls the “historical responsibility” of wealthy countries. Also see Jacqueline Cramer, Minister of Housing, Spatial Planning and the Environment, The Netherlands, speaking from Copenhagen. And M. Asaduzzaman, Research Director, Bangladesh Institute of Development Studies, speaking from Barcelona in 2009