Millions of people share images from nature on iNaturalist, an app to crowdsource species identifications. Scientists and land managers use the data to monitor changes in biodiversity around the world. The biodiversity of an ecosystem contributes to the sustainability of that ecosystem. Higher/more biodiversity = more sustainable. The higher biodiversity in an ecosystem means that there is a greater variety of genes and species in that ecosystem that will thrive. Take pictures of the plants and animals around you to help researchers monitor global biodiversity.