-The United Nations World leaders, along with thousands of participants from governments, the private sector, non-governmental organizations (NGOs) and other groups will come together from 20-22 June in Rio de Janeiro, Brazil, to take part in the UN Sustainable Development Conference (Rio+20). In our Seven Issues, Seven Experts series UN officials tell us more about the key issues that will be discussed during the conference and how we can contribute to make...

-The United Nations The world's forests have a major role to play in the transition to a greener economy, but governments need to do more to ensure they are sustainably managed, according to a new report from the United Nations Food and Agriculture Organization (FAO), issued today. “Forests and trees on farms are a direct source of food, energy, and cash income for more than a billion of the world's poorest people,”...

-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...

-Down to Earth WHO agency says there is compelling evidence to classify diesel fumes as deadly carcinogen along with tobacco, asbestos The International Agency for Research on Cancer (IARC), a part of the World Health Organization, gives its scientific verdict that diesel engine exhaust can cause lung cancer in humans. In its report released on June 12, IARC has reclassified diesel exhaust from its group 2A list of probable carcinogens to its...

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...