How bioengineering saved a Himalayan road from floods

Don’t mess with the people’s food. It’s a lesson that leaders have learned over the centuries, as governments have fallen after the price of or lack of food have helped spark revolutions. So it’s no wonder that food systems – and livestock farming in particular – have been a bit of a third rail of climate policy.Agriculture emits around 16 gigatons of greenhouse gases a year – about a third of the