Linden tree is dropping leaves

Question

Linden tree fully matured is dropping leaves. What to do? Leaves are dropping in clusters, not just one leaf.

Answer 1

Was a weed and feed product used near your tree?
Linden trees are sensitive to herbicides.

Have you inspected the leaves? Look for any signs of disease or insects.
Weather stresses can cause a Linden to loose leafs also.

https://www.gardeningknowhow.com/ornamental/trees/linden/linden-tree-information.htm