Oysters play a hugely important role in ecosystems by filtering water and providing habitat for other creatures, but overfishing has decimated their populations. Jacob Dykes visits an ambitious project to restore oyster reefs in Essex waters
In 2007, the African Union announced a hugely ambitious project – to plant the Great Green Wall, a band of trees that would stretch the length of the Sahel. Progress has been slow, but as a trip to Burkina Faso…
Traditional methods of design and construction have led to a built-world of inefficient, unsustainable materials and structures. By unpicking nature’s secrets and copying them, scientists in the field of biomimetics aim to create a more intelligent world
The Covid-19 vaccine allocation plan aims to pool funding from high-, low- and middle-income countries to develop a COVID-19 vaccine that will be accessible to countries across the world. But will the rise of ‘vaccine nationalism’ jeopardise the endeavour?