Energy ministers from the world’s richest countries today called for market-oriented approaches to increasing supplies and said significant investments would be needed in production, transportation and processing of resources.

World Bank President Paul Wolfowitz said today that both African nations and developing countries had a responsibility to tackle corruption that is damaging the continent.

Tony Blair must return Ethiopian sacred objects and ancient artefacts looted by British troops more than a century ago and now locked up in museums and royal palaces, a leading scholar demanded today.