here is heather ward blunt with our nbc affiliate and sacramento. >> reporter: we are trying to keepmillion visitors a year, hard to do, we need a little help from the robot. >> that robot made its debut at the beach, it is fully electric, solar powered and remote control. and it plays an important role of keeping trash out of the water. >> it is the last line of defense for the lake of keeping small pollution and litter and plastic in particular from getting in the water in the first place. >> is the robot crawls along it sifts through san one to four inches of deep, fighting trash hard-working volunteers could easily miss. the can cover 3000 meters and one hour and it is being used for pilot testing this year to see how much it could help in the future. regular cleanup events will take place, but patterson says we should all focus first on being responsible stewards of lake tahoe's environment. >> leave it better than you found it, but pack it in and pack it up, sounds silly and simple but it matters here. >> matters everywhere. coming up on today in the bay, hoping to make it, the

heather: before roe, there were septic abortion wards in hospitals of women who had tried to either induceir own abortion or went to someone who wasn't reliable, wasn't trustworthy, and had done damage to them. reporter: as a graduate student in 1965, heather booth co-founded an underground abortion service in chicago using a code name. >> i said, we can use my phone but changet so they don't ask , for eleanor. how about jane? nobody is called jane anymore. >> we had phone numbers on bulletin boards across chicago. pregnant? called jane. reporter: a new film, “the janes” airing on hbo and hbo max, tells the story of those women - who called themselves the service. between 1969 and 1973, using a network of secrecommunications and safe houses to protect each other and the women seeking help, the janes performed thousands of safe and affordable abortions. >> women would launch into these stories, “i have three children, i have no more money, my husband is leaving, or my husband is sick, or i don't have a husband, i'm 17 i want to go to college, i've got this scholarship and if i don't do this