Groundwater is the ultimate invisible asset. Originating in rain and snowfall that works its way down into soil and rock, it supports key ecosystems and meets the water needs of millions. But it can also pose a potential flood risk.

It's time to rethink roads. In the vital fields of flood prevention and water supply, they offer incredible potential to enhance and enrich the lives of some of the world's poorest people.

We could be encouraging antimicrobial resistance by overusing antibiotics but other factors may also be at play. We spoke to researchers going beyond the clinic to understand how drug-resistance builds up in the bacteria in our sewers and rivers.

Air pollution from ships is a serious problem that doesn't get enough attention. Kelvin Boot explains how environmental science can help ensure industry plays by the rules.

Scientists are developing a new way to track the origins of phosphorus pollution in our rivers and understand how it behaves once it gets there.

2015 was the International Year of Soils. It's not the most glamorous area of science, but it's vital to just about every aspect of our lives - as Janet Moxley and Nicole Archer explain.

How can we provide safe water for poor people living in African cities? Dan Lapworth, Jim Wright and Steve Pedley are working to find out.

Nobody wants peat in their tap water, and in some situations it can even threaten people's health. Getting rid of it is costly for water companies, and a warming climate will increase the problem. The more they know about these changes, the better they'll be able to cope.