The emergence of synthetic biology offers the potential to engineer microbes to help us grow crops without the need for artificial fertilizer.
Global demand for fresh water is rising fast, and around the world, scientists are hard at work on smart, sustainable solutions.
Soil is essential to producing the food we eat. Unless we act now we could lose it in a generation.
Through their amazing sense of smell, specially trained dogs are helping to rid the world of the devastating impact of landmines.