Bengal is staring at the possibility of losing self-sufficiency in rice unless the state manages to reverse a declining trend and step up production by as much as 12 per cent over the next four years. Lack of self-sufficiency in grain production need not necessarily be an alarming factor for a modern economy. But such a status is looming over Bengal in spite of factories not mushrooming on farmland — the...

In just over a week, world leaders will gather in Brazil for the Rio +20 Summit to decide what kind of future we want. Twenty years after the original earth summit, the theme is the green economy in the context of sustainable development and poverty eradication.  Why is the conference important and why the aspirations for a 'green economy'? A green economy is one that results in improved human well-being and...

John Vidal, who was in Rio for the '92 Earth summit, looks back at that momentous event, and how the 2012 version compares Helicopters thundered up and down the chic Copacabana and Ipanema beaches. Tanks guarded the bridges and tunnels. The favelas were in lockdown, schools closed and supermarkets stood empty. Unexpectedly, George H W Bush, the 41st US president, flush with success at the collapse of communism, had arrived in...

-The United Nations World leaders, along with thousands of participants from governments, the private sector, non-governmental organizations (NGOs) and other groups will come together from 20-22 June in Rio de Janeiro, Brazil, to take part in the UN Sustainable Development Conference (Rio+20). In our Seven Issues, Seven Experts series UN officials tell us more about the key issues that will be discussed during the conference and how we can contribute to make...

-The Christian Sciences Monitor Wealthy Western nations are financially exhausted and unwilling to commit to help fund greener development for poorer nations. Will this week's conference in Rio find any solutions? So what happens if you hold a UN conference on sustainable development, and world leaders make speeches, and sign treaties, and then nothing happens? This, of course, would be absurd. The problem, says Bill Easterly, a development expert at New York University,...