December blog by Claudio Schuftan This month, I look forward to a world conference being held next June, in Rio de Janeiro. This is the ‘Rio+20’ Conference on Sustainable Development, whose website is at http://www.uncsd2012.org/rio20/ The overarching declared purpose of Rio+20 is once again, to raise consciousness of and arouse conscience on the environmental dimension, which until late last century was more or less forgotten. Veterans of world summits on any topic have reason for scepticism, but they are needed, and we must all do our best to see that Rio+20 really does mark a time when we all move towards living in ways that are fair and sane. Adequate good nutrition is smack in the middle of sustainable development. Neither is possible without the other. But as I consider these issues, like you, I am also reflecting on what has been and is happening this year in the stre...