Background: Desertification exacerbated and raised by climate change and represents one of the greatest environmental challenges of our times. Also, Desertification and climate change are an old phenomenon has not been a threat to life people, in the past so as to provide the natural ecological balance back then, but because of the range of the factors, we will recall it. The desertification and climate changes has started to worsen and its negative effects have increased at all levels, Economic, social and development. Trees, woody shrubs and ornamental plants represent an ever-important group in that they are the raw source for many important industries such as the manufacture of wood, food and medicine, health care (alternative medicine) and as windbreaks, and they play an important role in improving the environment, especially in light of the current climate changes. Main body: During recent years, the interest in planting woody trees and ornamental plants has increased, and its role has remained confined to a narrow range. It's important and fundamental role as a primary locomotive in combating desertification, sand encroachment and sand dunes, resisting successive climate changes, improving the environment and protecting it from pollution, as well as its prominent role in addressing the big problems that result from The movement of sand dunes and their threat to industrial and residential facilities, roads, farms,.... etc. Conclusion: The role of plants, trees, green areas are combating desertification and climate change, these trees does not depend on protecting farms only, but extending them to protecting urban communities and new cities from sand, which may lead to completely covering homes and establishments, but also to destroy the entire infrastructure (roads, tunnels, electricity, irrigation lines, railways ... It also plays a role in protecting the beaches and coastal areas from the high waves.
New color variations highlight Park sage (Salvia nemorosa L.) and characterization
