Sind teure Zimmerpflanzen die neuen Einrichtungsobjekte? What to Plant in December The Grantham Gardener Lily buds opened on flower bed Stock Photo Alamy Seismic Activity and U.S. Nuclear Facilities Center for American Progress Saudi Arabia has launched a massive project to plant 10 billion trees in its desert areas as part of the Saudi Green Initiative. This is one of the world's biggest tree planting efforts