This year’s World Environment Day campaign focuses on land restoration, desertification and drought resilience under the slogan “Our land. Our future. We are #GenerationRestoration.” Drought and desertification are threatening essential ecosystems across the planet, including freshwater ecosystems and soil, the connective tissue that makes all life on Earth possible. Here is a closer look at what makes terrestrial and land-based ecosystems so unique and, in some cases, awe-inspiring.