Archaeological and textual detective work is filling in some information about how ancient Romans used and thought about their sewers thousands of years ago.
A lone cow stands next to a dried up river in South Africa.
Siphiwe Sibeko/Reuters
The water crisis in South Africa could have been avoided through better planning.
Tens of millions of smallholder farmers across sub-Saharan Africa have a stake in improving the health of the soil their cattle graze on.
Reuters/Goran Tomasevic
As El Nino looms, the Murray-Darling is facing another drought. But after almost a decade of investment in water trading and other policies, its prospects are better this time around.
The digging of wells in Africa has often been thought of as the solution to helping rural women walking to get water, but they may cause more harm than good.
A disintergating asteroid caught in the gravitational pull of a white dwarf star: could this be the future fate of the Earth?
Mark A. Garlick
A new technique that uses lasers to determine the composition of groundwater is helping us protect that most precious resource.
Unlike science fiction films featuring grotesque aliens and faraway galaxies, Ridley Scott’s The Martian depicts a sci-fi space mission that could soon be science fact.
20th Century Fox
NASA has set a target date of 2030 for a manned mission to Mars. With no real scientific breakthroughs needed, success depends on developing the proper technology.
The dark streaks on Mars’ hills will be a good place to look for life.
Credit: NASA/JPL/University of Arizona
Water on Mars could mean life on Mars. But how do we explore it without destroying it?
This digital false-colour image shows the dark, narrow streaks on Martian slopes inferred to be formed by seasonal flow of water on the planet. The streaks are roughly the length of a football field.
Image Credit: NASA/JPL-Caltech/Univ. of Arizona
When we talk about saving water, we also need to talk about saving energy. The two are inextricably linked
Improving maternal mortality and ending preventable deaths in children are some of the health targets in the Sustainable Development Goals.
Department of Foreign Affairs and Trade/Flickr
Health has secured its place as one of the 17 Sustainable Development Goals. But without clear mechanisms to report, finance or engage other sectors, could more end up as less?
Professor of Civil, Environmental & Ecological Engineering, Director of the Healthy Plumbing Consortium and Center for Plumbing Safety, Purdue University
Professor in Practice on Environmental Innovation, School of Social and Environmental Sustainability, University of Glasgow, UK, National University of Singapore
Associate Professor of Environmental Economics and Policy, School of Environment, Science and Engineering, and Fellow of the Marine Ecology Research Centre, Southern Cross University