As a three-day heat wave approaches New York and New Jersey, Dr. Cecilia Sorensen, an associate professor at Columbia, advises parents of infants and toddlers to be cautious. Meanwhile, New York City readies its cooling centers for public use. Following a WNYC investigation, New York lawmakers, including Assembly Members Linda Rosenthal and David Weprin, and State Senator Brian Kavanagh, prepare to introduce legislation targeting discriminatory property insurance practices.