Starting on Friday, masks will again be required inside L.A. County’s airports and on public transportation. The new health order comes after a Florida federal judge threw out a mask mandate on public transportation and airplanes nationwide. Reporter: Jackie Fortier, KPCC California could sanction places to do illegal drugs under the watchful gaze of a healthcare worker. The so-called “safe consumption” sites are an effort to save lives, as overdoses skyrocket across the country. But the prospect of opening them remains controversial. Reporter: Lesley McClurg, KQED    California will close its main COVID-19 testing lab next month. The facility in Los Angeles County has faced scrutiny since it opened. Reporter: Scott Rodd, CapRadio  A new poll finds that 80% of Gen Z youth in California have experienced anxiety, stress or feelings of being overwhelmed as a result of learning about climate change. Reporter: Anaïs-Ophelia Lino, KQED  Learn more about your ad choices. Visit megaphone.fm/adchoices