Food is a big part of everyone's carbon footprint – about the same as electricity use. How can our diet make farming more planet-friendly?
Archaeological and textual detective work is filling in some information about how ancient Romans used and thought about their sewers thousands of years ago.
The water crisis in South Africa could have been avoided through better planning.
Africa’s soil crisis calls for quick and creative action. This includes deepening farmers' knowledge about soil microbes.
Amoebas are ancient bugs that predate multicellular organisms that often hide in water and mud.
We have all the tools to achieve economic growth and environmental sustainability - we just have to choose to use them.
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.
With El Niño upon us and the prospect of water scarcity ahead, how well positioned are we to make accurate and timely decisions about water resources?
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 study into a distant white dwarf could help us learn more about the future fate of the Earth – and it could be a violent one.
Distinguished Professor Graham Farquhar has received this year's Prime Minister's Prize for Science for his pioneering research into photosynthesis.
Would you drink recycled water? New surveys suggest Australians concerned about water shortages are ready for alternative sources.
A new technique that uses lasers to determine the composition of groundwater is helping us protect that most precious resource.
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.
Water on Mars could mean life on Mars. But how do we explore it without destroying it?
Now that we have discovered liquid water on the surface of Mars, what does this mean for the prospects of finding life there, past or present?
The new Labour leader has been pilloried for extolling public ownership. In fact, he's bang on trend.
When we talk about saving water, we also need to talk about saving energy. The two are inextricably linked
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?
Field trials in Senegal show native shrubs can access deep-soil water and make it available to adjacent crops – a technique that could alleviate drought conditions in marginal lands around the world.