-The Guardian US leaders worked hard to tackle the 1930s drought and food crisis. Today they are supine, offering the hungry only prayers If you're wondering whether the US drought will create a global food crisis, the answer's easy. It's yes, because there's a food crisis already. The latest year for which we have figures is 2010, when 925 million people were declared malnourished. Soon after the number was announced, the World...

-FAO Sustainable fisheries and aquaculture play a crucial role in food and nutrition security and in providing for the livelihoods of millions of people. FAO's latest flagship publication on the state of fisheries and aquaculture, launched at the opening of the 30th session of the FAO Committee on Fisheries, highlights the sector's vital contribution to the world's well-being and prosperity, a point reflected in the recent Rio+20 Outcome Document. The State of...

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 northern region of Gujarat State in western India is semi-arid and prone to droughts, receiving almost all of its rain during the monsoon season between June and September. But for the past three decades, many crop and dairy farms have remained green—even during the dry season. That's because farmers have invested in wells and pumps, using massive amounts of electricity to extract water from deep aquifers. The government has artificially propped...

-The Economist   Nuclear power will not go away, but its role may never be more than marginal, says Oliver Morton THE LIGHTS ARE not going off all over Japan, but the nuclear power plants are. Of the 54 reactors in those plants, with a combined capacity of 47.5 gigawatts (GW, a thousand megawatts), only two are operating today. A good dozen are unlikely ever to reopen: six at Fukushima Dai-ichi, which suffered...