Deutsche Presse-Agentur: Europe must take the lead in cutting environmentally harmful greenhouse gas emissions, but developing giants such as China and India must also do their bit, the European Union’s top official said Monday at the start of the 2007 World Energy Congress. EU Commission President Jose Manuel Barroso made the appeal during a keynote speech at the Rome gathering organized by the World Energy Council, a United Nations-accredited non-governmental organization present in over 90 countries. …