Desert could become soil
"Cooling houses" with seawater, solar energy, and cardboard could grow crops in the desert
Massive solar farms in deserts could have environmental consequences
Sack gardening could be used for nutrition, preventing desertification, and food security
Cocoons could help seeds grow in harsh climates
Degraded or abandoned land could be brought back to life
Desertification could be limited with forests grown from wastewater
Herding livestock could prevent desertification
