From sensors inspired by dandelion seeds, to sensors installed on the heads of seals. Sometimes nature itself provides the inspiration for modern environmental technology.
Humans have put a lot of obstacles in the way of fish wishing to migrate and spawn. A new 'Fitbit for Fish' will test just how stressful their journeys are.
Converting older buildings with energy saving insulation is often costly and time consuming. A German startup wants to make the process more efficient and convenient.
Energy resources exist in different forms - some exist as stocks and are exhaustible, others exist as flows and are inexhaustible. The effects of climate change, and the impact that greenhouse gas emissions have on the atmosphere, are ushering in a reassessment of where our energy supply comes from and, more importantly, how sustainable it is.
Every single search, every streamed video and every email sent, billions of times over all around the world, it's all part of our daily life by now. But it all adds up to an ever-increasing global demand for electricity, and a large digital carbon footprint too. What can we do to reduce the impact our energy-hungry online lives are having on the planet?
Whale faeces is the starting point of many food chains in the ocean. Researchers are now trying to use excrement from the lab as fertiliser to boost the CO2 storage of the oceans.
Energy use and digital technology isn't just all about hardware. Software can also have a huge impact on the energy requirements of our technology.
Lithium-ion batteries are central to our modern technological lives. However, they come with environmental and human rights concerns. Can the more plentiful sodium take over?
Solar thermal water heaters have been around for a while, but their expensive and scale means they're only available to wealthy homeowners. A new flat-pack version wants to change that.
