Planting giant cactus to stave off desertification in Brazil

Giant spiky cacti tower over farmer Alcides Peixinho Nascimento, 70, one of the residents of Brazil’s unique Caatinga biome who is on a mission to plant native vegetation in a bid to halt desertification. Giant spiky cacti tower over farmer Alcides Peixinho Nascimento, 70, one of the residents of Brazil’s unique Caatinga biome who is on a mission to plant native vegetation in a bid to halt desertification. Environment Phys.org – latest science and technology news stories