(PhysOrg.com) -- An Oxford University study of 1.65 billion of the world's poor shows that over twice as many live in 'middle-income' countries as in 'low-income' countries.
Following is a snapshot of the world ahead of the UN's June 20-22 Rio Summit on sustainable development.
A complex sugar may someday become one of the most effective weapons to stop the spread of cholera, a disease that has claimed thousands of lives in Haiti since the devastating earthquake last year.
A new mobile phone app developed by a University of Nottingham researcher is changing the lives of millions of people in Africa by giving them the power to instantly report problems with poor sanitation.
The World Bank has approved a $1.5 billion loan for a state-led sanitation program in India, where millions of people have no access to toilets, the bank said Wednesday.