-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...

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...

A narrow education is making engineers oblivious to the importance of human interaction and raising the cost of even simple tasks My time in South Asia has rewarded me with an enigma: why is engineering so expensive here? Why is it often many times more expensive than in Australia, my home? My search for answers led me to shanty towns on the fringes of mega-cities. We compared an award winning Indian factory...

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 Deccan Herald Proposals to replace the public distribution system with direct cash transfer into individual accounts under the proposed Food Security Bill do not have any taker, claim social activists. These activists are lobbying against cash transfers. But others believe this is better than  distributing foodgrain among the poor. According to controversial proposal, the public distribution system (PDS) which provides subsidised foodgrain will be replaced with direct cash subsidies. A fixed amount will...