The ornamental design for a wearableenvironmentalsensor, as shown and described.
FIG. 1 is a right perspective view of our wearable environmental sensor;
FIG. 2 is the left perspective view thereof;
FIG. 3 is the bottom perspective view thereof; and,
FIG. 4 is the top perspective view thereof.
The present industrial design is for a wearable environmental senor, The said design is characterized in the whole shape and configuration of shown in the solid lines in the drawings.