well some good news now tonight we shine a spotlight on those working to make the world a better place each year the right widely heard award authors those creating smart solutions to our planet's greatest challenges now the award is known as the alternative nobel prize there are four winners this year and we've been looking at them across the day here on d w one of the winners yeah cuba so they'll go has been recognized for turning barren land in their fertile force in his native burkean a fossil. when you go said he would plant a forest in the desert his neighbors thought he was mad. but the forest grew. now so i would go travels around his native burkean afonso to teach his technique