Cholera is caused by a lack of access to clean drinking water and unhygienic conditions. Misuse of antibiotics makes it difficult and expensive to treat outbreaks.
According to a new UN report, more than two billion people around the world do not have access to clean, safe water in their homes. Most of the work of getting water falls to women and girls.
It's a dirty scientific job – but it could save lives.
Tackling the challenge of stunting in South Africa needs a convergence of science and policy along with better coordination at all levels of government.
South Africa did a brilliant job of increasing access to safe water for millions of people after the first democratic elections in 1994. But it hasn't kept up the good work.
The invention of the flush toilet was probably one of the most unsustainable innovations in human history.
Cholera is estimated to infect between 3 to 5 million people globally, every year.
Massive state capture activity is taking place in the South African water sector under the guise of radical economic transformation, threatening financial sustainability and water supply.
Community participation is vital to achieve the Sustainable Development Goals. But at the moment it often comes too little, too late.
Progress in terms of water and sanitation has traditionally favoured those with money. But the hope with the SDG's is that this gap will be plugged in the future.
The first international water decade was a great success ... so why do we need another?
As Australia joins a New York summit to discuss the UN Sustainable Development Goals, it still faces questions over whether it is meeting water standards at home.
There have been modest improvements in water and sanitation provision in Africa, but there is still a long way to go. Most citizens rate their governments’ performance in this sphere poorly.
Unless drinking water and sanitation infrastructure are improved, cholera could remain in Haiti indefinitely.
Indian Prime Minister Narendra Modi wants to bring 1.5 million toilets to the 600 million Indians without access by 2019. If he fails that could prove dangerous in an election year.
Many women in developing countries spend hours every day fetching water for their families. Reducing the burden of water work will improve their health and welfare.
The danger with typhoid is that symptoms are quite insidious and mimic those of other infectious diseases.
While everyone needs access to proper sanitation to stay healthy, for girls and women it is also an issue of safety and equal participation in society.
More than two billion people lack access to decent sanitation. Innovative sanitation technologies can bring toilets into the 21st century with benefits for the developing and developed world.
Archaeological and textual detective work is filling in some information about how ancient Romans used and thought about their sewers thousands of years ago.