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… or economic productivity and complexity of land, reducing carbon storage in soil and vegetation, driving the loss of … Measurements of Net Primary Productivity (the net flux of carbon from the atmosphere into green plants per unit time) … or functioning of the land; • Tier 2b: Trends in carbon stock above and below ground. While these indicators provide …

… by land, soil and forests or the billions of tons of carbon stored underground. • The surface of the earth is … use change and degradation is responsible for about 20% of carbon emissions globally. 34 6 • Over the last ten years, … debt. Likewise, we run into debt when we over-exploit our stock of natural resources. It is this debt to nature that …