A Dutch plant is turning a huge agricultural waste stream into renewable electricity and fertiliser. BMC Moerdijk in the Netherlands processes around 420,000 tonnes of poultry manure each year, using thermal conversion to generate electricity for the farms supplying the manure and enough additional power for around 45,000 households. The process does not end after…

Deep in the forests of Mozambique, finding a wild bee nest can begin with a sound. Yao honey hunters use a distinctive call to attract greater honeyguides, small birds capable of leading people towards bee colonies hidden inside trees. The relationship has been passed down for generations, but new research suggests the birds are not…