>> building a better bay area, moving forward, finding solutions. >> it feels so good. it is the best thing i haven't seen on my comrades in a year and a half. >> a new glimmer of hope tonight for the bay area's struggling economy. san francisco's muska bernie sanders getting ready to host its first convention in 18 on's. -- 18 months. dan: glad you are with us. focusing on the comeback of our local economy is one of the ways we are a better bay area. this work while also helping the city's businesses.

cornell barnard has the story. cornell: the sound of forklifts and drills. being heard through the cavernous halls of must goni center south, -- must goni -- must goni -- mo south. 3000 dentists and medical professionals are expected to attend the conference where face masks and proof of vaccination will be required. >> it is also symbolic to have the first convention back until the world that san francisco is open for meetings. >> until recently, must goni -- until recently, as a mass vaccination site. many workers say there's no place they would rather be. >> didn't feel so good.

>> in has not been in a convention hall since the pandemic canceled everything. he's grateful to be back building booths and displays. >> i haven't seen my comrades in a year and a half. it is great. >> getting emotional. >> emotional right now, yes. i'm sorry. and leisure travel in san francisco took a whopping $8 billion hit. the hospitality industry is still recovering, but the hotel council says conventions bring new hope. >> mosconi and the hotel industry are tied directly together. when they do well, we do well. ama: president deliver remarks this week on his administration's strategy to get

more americans vaccinated. our seven-day test positivity has gone down to four point percent in california. a month ago, it was 7.1%. are down 11%. areas with low vaccination rates continue to struggle. last thursday, a current vaccination hi of the summer was reported. dan: a water tender headed to a brush fire near oakley crashed on its way there. according to the east cost fire district, the firefighter who was driving the truck has minor injuries. which is good to hear, at least he is ok. heavy cables were hooked up to the overturned truck and brought it right side up.

a water tender truck is a tank on wheels, obviously, carrying water to places where there are no fire hydrants. fire crews making progress on two massive wildfires burning in california. this, the 216 absent acre caldor fire you have heard much about -- the 216,000-acre caldor f you have heard much about. and the dixie fire is now 59% contained. it has ripped through 917,000 acres and is now just 115 thousand acres shy of passing last year's august complex fire as the largest wildfire in state history. nearly 6000 homes remain threatened. that fire has destroyed at least 688 homes.

put out a three-month outlook for september through december. the entire state shows drier, more wind events, and large fire activity to continue for the next three months. ama: officials say everyone in the state needs to stay vigilant. if you see smoke, call it in. don't assume some but i just don't assume someone already did. -- don't assume someone already did. sandy: that smoke is still lingering here in the bay area, which is why our air quality is moderate for some parts. we are starting to see some green around livermore, fremont, redwood city. that is the direction we are heading, but right now, the haze over san jose extended because of the wildfire smoke. notice over the next four days we start to see good air quality

for the north bay, even parts of the south central bay will see that. i want to show you something interesting that is unfolding on live doppler 7 just off our coast. we are picking up some tropical moisture and radar returns. we have a slight chance of under. and fire agencies are on my look out for -- on the lookout for a possible arsonist. >> detectives picking through ashes. much time? >> yes, absolutely. >> calfire set all the right things about possible causes. >> 15 fires between a proximally 8:00 in the evening and i believe as late as 9:20.

>> that has locals jumping to immediate conclusions. buildings, but they could have. agencies were involved, there are complications. no one knows the exact timeline. the first one was where? >> that we don't know. >> the last one was where? >> we don't know which one was last. >> where they random? >> i don't know that yet. >> jamie katz, however, knows she will never forget the moment she and her family saw their new home threatened. >> is it so dark out here in evenings that it looked like the highest point, which is us, was fully engulfed in flames. >> it is definitely more fires

than we would normally have in that period of time. ama: rv parking lot. many say they are worried about their own safety. >> chants for change. neighbors in protest of a new rv safe parking lot now open in san jose. they say no one approached them about the decision. while they say they are not against the homeless, they are worried about the president. -- the precedent. quick steamy to come up and spend some time here. >> -- >> they need to come upom and spend some time. >> the ceo says similar sites they work with have worked.

>> the neighborhoods look better because people are then taken from the street. now they are housed in the neighborhood, so now your neighborhood is safer for everyone. >> they are planning to put their north san jose campus where the work is begin done to clear out where the rv's used to be. you can see there are still a few vehicles on location, and the owners tell me they are facing a whole new battle. >> trust them, and they don't help. >> they had their rv's broken into. they were told their vehicles would be safe until they moved. now a setback -- thorough trust trust, belongings taken, worried about what comes next if they go to the lot. >> i'm worried about safety.

>> they broke in to steal stuff from people. we are going to lose everything. and have to start from where we were before. it is hard. it is hard to start over. ama: devices stolen. dan: the mystery in the south bay as police track moves. >> victims of computer credit scheme are being california! all of our homes share power. but heat waves can stretch our supply to its limits. flex alerts remind us when to use less energy from 4-9pm. so we can all stay up and running.

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- i'm norm. - i'm szasz. [norm] and we live in columbia, missouri. we do consulting, but we also write. [szasz] we take care of ourselves constantly; it's important. we walk three to five times a week, a couple miles at a time. - we've both been taking prevagen for a little more than 11 years now. after about 30 days of taking it, we noticed clarity that we didn't notice before. - it's still helping me. i still notice a difference. prevagen. healthier brain. better life. dan: new at 5:00, a new program approved today in san francisco could change the way you interact with a taxi, including knowing the price before you get in for a ride. why some don't like this at all.

>> it is supposed to rejuvenate the taxi industry. the san francisco board approved a new pilot program that allows riders the chance to see the fair --re for a before getting in. >> i think the main thing that taxes right now are competitive with ride shares. >> a new monitor uses an algorithm to calculate the fair -- calculate the fare. the hope is to induce riders by eliminating the fear of not knowing the fare until the trip is done. it could be as simple as using a phone app to go up to a cab to find out the fare before you even get in, but despite the proposal, some drivers do not want to see anything change.

it's not good. >> these drivers do not want to see the program change. they are afraid the new system will be wrong and drivers will be charged more money. some riders think it could make them take a taxi over a rideshare. the taxi union says it should work because it will help show the public the cost of a taxi is not much different than a rideshare. they say in some cases, it could be cheaper. they just needed a way to show people it before they start flagging down a cab. >> a new study has found america's workforce is growing older and more diverse.

dan: michael finney has a look at that and today's headlines. >> data shows that since 1970 up, the percentage of teenage workers has significantly dropped while the percentage of workers 65 and older has more than doubled. analysts believe this flip is a result of an aging baby boomer generation, longer lifespans, and less of a reliance on physically strenuous work. they also believe the shrinking teen workforce is due to an increased focus on education. the ftc is in the process of sending out nearly 5000 checks to consumers who lost money in a scheme that offered to help them finance personal computers and other electronic devices. the ftc first sued blue hippo, and i first told you about it, after the company promised to finance new products for customers. they collected money from the customers and failed to provide those products, nor disclose key

terms of the refund policy. even after agreeing to a court settlement back in 2008, the government says the company continued the deceptive practices, leading to lengthy court battles the ftc ultimately won a decade later in 2019. tiktok users now spend more time each month watching content than youtube users. a new study finds tiktok users typically log more than 24 hours of content each month. youtube users spend an average of 22 hours 40 minutes a month. youtube still beats tiktok in total time. youtube has 2 billion users. tiktok, about 700 million. dan: a lot of people. ama: i was afraid he was going to say 24 hours' worth in 24 hours, but that did not happen. it appears some thieves in the south bay may have picked the wrong target.

their every move was tracked after they removed a box from a curbside delivery dropbox. david louis shows us what was inside that box. >> it was a routine day. they had an order dropped in their dropbox. >> it showed no sign of the package and that's when we started investigating. >> security video shows a car possibly involved in the theft as it pulled into the parking lot. >> the trackers were actually on and were on their way to a customer to actually track the covid vaccine, so it was an urgent shipment that had to be delivered within a couple of days, so they were all active and fully charged. >> there were 20 trackers like these in the shipping box, valued at $1500. it is not known if the suspects knew what the devices were or what they do. a consided valuabe tools to keep tabs on the

movement of sensible -- of sensitive goods. one tracker was removed. then something strange happened two days later. >> they took the rest of the 19 and put them back in another fedex box, thinking it would now get delivered and nobody would know that one was missing. >> the gps trackers were doing their job. santa clara police confirmed they track the suspects' movement for two weeks as they traveled 700 61 miles around the bay area. no arrests have been made so far, but police say the investigation remains active. the incident demonstrates the company's technology works. ama: let's take a live look outside. outside. sandy will be back with your your heart is at the heart of everything you do. and if you have heart failure, there's entresto. entresto helps improve your heart's ability

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ama: -- hot and hazy. dan: that is pretty much it. sandia: that pretty much gives it away. notice this subtropical moisture that continues to move up the coastline. that will stay off the coast, but thursday afternoon into friday morning, there is a slight stability of isolated thunder, especially in the north based lightning. the heat continues risk of heat illnesses, so best to take it easy, try to find some shade.

the smoke forecast, showing you better air quality as we head towards tomorrow and that continues into thursday as well, so if there's any good news, the stronger sea breeze will help to clean out our air. it is a shaky view with the fog bear, 62 in the city. 71 in oakland. fog over the golden gate bridge right now, and here's a look at the temperatures, low to mid 90's from santa rosa to novato. still hot in fairfield, 99, concord, 97. this is what you can look forward to. much cooler pattern for the end of the week, and the air quality will improve the next few days. hour-by-hour forecast showing you the subtropical moisture and certainly we will have the fog

around as well. i feel a little more human -- it might feel a little more humid than what we are used to this time of year. it is going to be a mild to warm start. afternoon highs in the triple digit territory again. 104 in fairfield, 102 in antioch. mid 90's right around santa rosa and napa. 90 degrees in san jose. heat eases, but there's a slight chance of a thunderstorm between thursday afternoon and early friday, certainly a cooler pattern and coastal highs coming down as well. by saturday, we are looking at upper 80's inland. with better air quality, something to look forward to. temperatures fluctuate very little as we head into the second half of the weekend and early next week. dan: very good. thank you. coming up next, a dream wedding for a deserving bay area couple.

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dan: we will end this newscast tonight with a truly unique love story. >> sergio, do you take isabella for your wife in sickness and in health, until death do your part? >> i do. ama: those words had bittersweet sick africans for -- bittersweet significance for high school sweethearts. they got married today after learning sergio had a few weeks to live. he's been battling leukemia since he was 15.

mostly with isabella by his side. >> no matter what happens, i know she will always be there. i know she will always take ca of me. she is the love of my life, and i just want to be with her forever. dan: the 220-year-old hope their love story will give others hope, especially those battling cancer for those who have lost so much to the disease. isabella had this message -- be positive, stay strong, and live life one day at a time. ama: their story is so inspirational. they put this wedding together in just about a week. liberty donated the gown, the tux is from men's warehouse. a lot of people wanted to help. dan: the rings came from san francisco diamond exchange. everyone wanted to make this day special. very sweet and touching.

world news tonight with david muir is next. we appreciate your time. ama: my name is on the front. but... i am more proud of the back. siggis: 40% less sugar, and more protein than the leading greek yogurt.

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plus, herbal and other immune superstars. only from nature's bounty. tonight, several developing stories as we come on the air. the growing concern over children and covid. child covid cases here in the u.s., the largest increase since this pandemic began. more than 252,000 new cases in just the last week. where they're seeing the worst of this, and the concern over the new mu variant. could it be resistant to the vaccines? and where it has been detected in the u.s.? tonight, dr. anthony fauci and the stadiums packed with fans, saying, "i don't think it's smart." and what the doctor is now saying about boosters, that third shot. how soon before that becomes a reality? marcus moore from texas tonight. in new york and new jersey tonight, president biden touring the disaster zone. the storms from the remnants of hurricane ida slamming into that front. dozens killed in the historic rainfall and flash flooding.