-The Guardian  The Earth summit has to ensure sustainability is at the heart of growth models – the swelling global population depends on it Growth in itself is neither our enemy nor our problem. But what kind of economic growth do we need? And do we want growth at any cost? A child born today is one of seven billion people on Earth, and during its lifetime will see the world's population grow...

—AFP U.S. President Barack Obama heads a list of high profile absentees for the Rio sustainable development summit this week where U.N. leaders say some tough decisions will have to be taken for the future of the planet. Britain's Prime Minister David Cameron, Germany's Chancellor Angela Merkel and China's President Hu Jintao will also go to the Group of 20 rich nations' summit in Mexico but then head straight home before the...

In September 2010, a large public meeting was held in Guwahati to discuss the impact of large hydroelectric projects in the Northeast. In attendance was Jairam Ramesh, then the minister of environment and forests in the government of India. Ramesh heard that the people of Assam were worried that the hundred and more dams being planned in Arunachal Pradesh would reduce water-flows, increase the chance of floods, and deplete fish...

Of late, a childhood friend's 80-year-old mother has taken to writing. Emboldened by her single-mindedness, memories dulled by a lifetime of contingencies now respond readily to the daily rustle of pen on paper. One memory stands out in Surjit Kaur's mind. In 1957, as a fresh eyed schoolteacher from Delhi she went on an educational tour to Uttar Pradesh, Madhya Pradesh, Bihar and West Bengal. It was 10 years after Independence...

In August 2010, the U.N. Secretary General set up a “High-Level Panel on Global Sustainability,” to formulate a “new vision for sustainable growth and prosperity” for the world. Co-chaired by the Presidents of Finland and South Africa, the panel submitted its detailed report in January 2012. The report is under consideration in the Secretary General's office, and will be a key input to the upcoming U.N. Conference on Sustainable Development...