-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...

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 Economic Times It is not uncommon for Indian companies to encounter situations that require ingenious engineering combined with a uniquely Indian approach to problem solving. Automobile companies around the world have developed some exquisitely advanced diesel engine technologies, but Indian companies had to go one step ahead. More than a decade ago, as Indian car manufacturers began improving their diesel engines, some of their customers tried to reverse their efforts by...

-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,...

-The Pioneer We have to climb daily for 3 km across the hills on foot from our village in Uttarkashi district in Uttarakhand to Dodra Kwar village on Himachal border just to charge mobile set”, says Satrama, woman from Pujeli village in Uttarakhand. Her village is one of those 1,220 villages in hills of Uttarkashi that continues to grope in the dark since the past three years. The villagers are vociferously protesting...