Hundreds of years ago, camels went across the Sahara Desert with salt on their backs, and travelers told stories about the city of Timbuktu. People rode horses across the cold Gobi Desert, and the big saguaro cactus plants of the Sonoran Desert slowly grew bigger and bigger. These things happen today - but the desert is changing. There are camels, but there are also 4x4`s in the desert. There are travelers to Timbuktu, but now they come to take photographs and listen to music. And there are new treasures out there in the desert - energy from the hot sun, and food plants that can grow in hot dry places. Perhaps we need to look at the desert with new