Cow

One engineer-turned-farmer in the Netherlands believes he has found a solution to climate change - floating cow farms. Moored in an offshoot of Rotterdam's busy port, the farm is a futuristic three-story floating structure where one robot milks the cows and another automatically scoops up the manure.

We’ve rounded up the week’s good news stories, featuring baby elephants, cows helping out penguins, an office chair grand prix and a snail species brought back from the brink of extinction.