How to grow tomatoes in the desert Sundrop Farms is creating an amazing oasis growing tomatoes in the Australian desert using sunshine and seawater. Fighting the water scarcity One in nine people worldwide lacks access to safe drinking water. But smart new technologies hold out hope we can tackle the growing water crisis. Second World War wrecks – an environmental threat A pumping system is tackling the ecological threat posed by wrecks from the Second World War. Responsible oil production in the Amazon The Peruvian jungle is delicate, remote and inaccessible. So how can you extract heavy crude oil and still protect the environment?