by Council for Watershed Health, Heal the Bay, Los Angeles Waterkeeper, and Randolph Consulting Group This blog originally appeared on LAwaterkeeper.org .  EVERY CHILD DESERVES a school that’s safe, healthy, and allows them to thrive. In Los Angeles, a majority of LA County schools are covered in pavement. Not only does pavement contribute to high temperatures on school campuses, it also prevents water from infiltrating when LA experiences rain, leading to stormwater runoff.