-AFP JOHANNESBURG: Foreign farms are spreading across Africa to grow food and biofuels for global markets, bringing much-needed investments but also new troubles for a continent struggling to feed itself.  China, Malaysia, Singapore and Bangladesh are just some of the countries spending billions of dollars in what critics have dubbed a new "scramble for Africa", a reference to Europe's 19th century colonisation drive.  But Africa holds an estimated 60 percent of the world's...

-The Hindu The United Nations Conference on Sustainable Development (Rio+20) is set to take place on June 20 at Rio de Janeiro, 20 years after the 1992 Earth Summit on Environment & Development. World leaders, experts, and U.N. agencies are expected to take stock and reaffirm global commitment to sustainable development. The summit is taking place against the backdrop of threats of catastrophic climate change, unprecedented environmental degradation and widespread market...

-PTI Indians' money in Swiss banks may have risen for the first time in five years, but they account for a meagre 0.14 per cent of total foreign wealth deposited there — putting India at 55th place internationally for such funds.  The total overseas funds in Switzerland's banking system stood at 1.53 trillion Swiss francs (about Rs 90 trillion) at the end of 2011, which included 2.18 billion Swiss francs (Rs 12,700...

-AP Less than four months ago the world was cheered to learn that India had gone a full year with no new cases of polio, a landmark that left only Pakistan, Afghanistan and Nigeria on the World Health Organization's list of countries where the disease is endemic.  But the battle is far from over, judging by the WHO's latest expressions of alarm. It says that in both Nigeria and Afghanistan the number...

Science and technology hold the key to developing low-input, high-output agriculture. The challenge is to use new technologies creatively and to make evidence-based decisions on the deployment of new technologies. Crop breeding is carried out to meet two broad objectives: one, to increase yields of a crop per se and, two, to protect the yield potential by developing crops resistant to diseases, pests and environmental extremes.  Both yield-enhancement and yield-stabilisation are...