SciDev.Net: Environmentally sound technologies need “a revolutionary push”, says Yvo de Boer, executive secretary of the UN Framework Convention on Climate Change. On the eve of the opening of the UN Climate Change Conference in Poznan, Poland, he said: “Incrementalism is the enemy of fundamental change. We are really going to need a major fundamental shift, and technology has to be at the heart of that.” The transfer of “green technology” from industrialised to developing countries is one …