-AFP Water problems in many parts of the world are chronic and without a crackdown on waste will worsen as demand for food rises and climate change intensifies, the UN warned on Sunday.  Issued on the eve of a six-day gathering on world water issues, the United Nations, in a massive report, said many daunting challenges lie ahead.  They include providing clean water and sanitation to the poor, feeding a world population set...

Renewable energy sources are attractive but in a sense, powerless. Maybe, someday we'll all live in houses with photovoltaic roof tiles but in the real world, a 1GW of solar plant will require 60 square miles of solar panels. When the demand increases, you can fire up more coal, but how will you cause the wind to blow and the sun to shine 24x7? The earth is already so disabled...

-The United Nations The United Nations agency at the forefront of the global AIDS response today welcomed new evidence which shows that antiretroviral therapy can help prevent HIV infections.   Researchers from the Africa Centre for Health and Population Studies presented the results, which show that in areas where antiretroviral therapy uptake is high, people who do not have HIV are 38 per cent less likely to acquire the virus than in areas...

-FAO FAO today forecast that 2012 world wheat production will be the second highest on record at 690 million tonnes and also announced that  international food prices rose one percent in February —  the second increase in two months.  Published today, FAO’s quarterly Crop Prospects and Food Situation report forecast a 2012 wheat crop 10 million tonnes or 1.4 percent down from the record 2011 harvest but still well above the average...

The disaster in Japan revealed many risks that were earlier unknown; it is important to assess the risks in India in a transparent manner and explain which are worth taking. The nuclear plant accident at Fukushima, Japan, in March 2011 exemplifies the prescient remark of nuclear reactor pioneer, the late Alvin Weinberg, that “a nuclear accident somewhere is a nuclear accident everywhere.” After Fukushima, many countries initiated a reconsideration of the...