Tea Bag Index

In the Tea Bag Index Citizen Science App, everything is about soil. Various observation categories are ready to participate in, from easy soil classification and testing to the well-known method of burying and weighting teabags to measure the decay rate of plants. Citizen Scientists are welcome to participate worldwide and contribute to improving climate models and soil research.

Drinking tea for the climate

The Tea Bag Index (TBI) collects data on soil observations and in particular on the dynamics of soil decomposition. The degradation of organic matter in the soil is part of the global carbon cycle, which provides information about the biological activity of the soil and is therefore important for climate change. Changes in carbon content in soil can both exacerbate and mitigate climate change.