With relations between countries now being shaped by geo-economics rather than geo-politics, an emerging issue is to what extent the United States, China and India, all populous countries and top tier economies, see their national interest in giving a new meaning to words like “responsibility”, “development” and “growth” by shifting the focus from the twenty year old formula of burden-sharing for environmental degradation to modifying longer term trends in resource use, and developing a global vision for ‘sharing responsibility and prosperity’.