Leonardo's obsession with water flowed through his technical work, his art and his scientific ideas.
Cities need to pay attention to how extreme weather events effect their resources.
The green revolution: small-scale, informal irrigation is expanding in Zimbabwe and small scale farmers are leading the way.
When it comes to weight loss, there's no such thing as a quick fix. But some foods will keep you feeling fuller for longer.
Since 2008, Landsat data has been free for the world to use, spurring new applications and scientific research. But that door could soon slam shut.
Hydrogen is the first element in the periodic table and essential for life on Earth. It may also be key to shifting away from fossil fuels toward clean sources of energy, but challenges remain.
Satellites hundreds of miles overheard are helping scientists to predict drought, track floods and see how climate change is changing access to water resources.
There are benefits and downsides to damming rivers.
The effects of climate change above ground are well known, but what's happening to underground aquifers which supply most of the world's fresh water?
Could hairdressers hold the key to tackling climate change?
Awe-filled learning unfolds as a kindergarten class, accompanied by educators, investigates snow and water with tools, toboggans and more.
Banking water minimises the impact of evaporation and means that water can also be recycled from various sources.
Plants can find it tough to get all the nitrogen they need, especially from Australian soils. But summer storms can provide an added boost.
While making small volumes of pure water in a lab is possible, it’s not practical. The reaction is expensive, releases lots of energy, and can cause really massive explosions.
Public confidence in the institutions in charge of the Murray Darling Basin has plummeted – with good reason.
Most of us get thirsty when we need to drink more water. But there are other tell-tale signs that not all is well.
Water supply systems weren't designed to deal with altering weather patterns brought about by climate change. This needs to change.
Of Australia's capital cities, Perth has the saltiest tap water, while Melbourne, Hobart, Darwin and Canberra have the least salty. And while all are within guidelines, the variation is striking.
Many African countries tend to mismanage their groundwater resources.
Research shows that when Americans are aware of the scale of food waste, and how much energy and water are used to produce food, they support measures to reduce the problem.