Before revision: This target has two indicators: Cite web|title=Goal 15: Life on Land - SDG Tracker URL |access-date=2020-09-05 |website=Our World in Data |language=en 50px Text was copied from this source, which is available under a Creative Commons Attribution 4.0 International License Indicator 15.1.1: Forest area as a proportion of the total land area Indicator 15.1.2: Proportion of important sites for terrestrial and freshwater biodiversity that are covered by protected areas, by ecosystem type Forests cover roughly 4 billion hectares or 30.7 per cent of the world's land area.
After revision: This target has two indicators: 50px Text was copied from this source, which is available under a Creative Commons Attribution 4.0 International License Indicator 15.1.1: Forest area as a proportion of the total land area Indicator 15.1.2: Proportion of important sites for terrestrial and freshwater biodiversity that are covered by protected areas, by ecosystem type Forests cover roughly 4 billion hectares or 30.7 per cent of the world's land area.