SOUTHERN CALIFORNIA — If you've had to traverse viscous tree sap on sidewalks in your neighborhood, you're not alone. Following an intense September heat wave and warmer-than-usual days in the ...

Tree sap is a sticky substance produced by trees as part of their natural growth process. While essential for trees, sap can ...

That small stretch of sidewalk has become the talk of the office, thanks to what seems to be an unusually copious amount of tarry tree sap on the ground, creating a sticky mess. Jason Wells is a ...

Tree sap can be a stubborn and sticky substance on your car’s exterior. If left untreated, it can harden, attract dirt, and even damage your car’s paint over time. This can lead to sap stains ...