A prison in Malawi realised it was flushing valuable fuel down the drains – now it is using the power of poo to fuel its busy kitchens, aiding both inmates and forest

>"If governments and companies collaborate better, global net-zero targets could be within reach"

>"The advent of "big battery" technology addresses a key challenge for green energy – the intermittency of wind and solar."

Can we harness the extraordinary power of rivers in a way that replenishes ecosystems, rather than harming wildlife?

Good