watch cbs in bay area with the kpix 5 news app. >> announcer: this is the "cbs overnight news." good evening and thanks for joining us tonight. america's covid recovery has hit a dangerous roadblock. today dr. anthony fauci warned this latest surge driven by the delta variant will get worse. infections are spiking across the country. hospitalizations and deaths are also rising. more shots are going into arms, but only about half of us are fully vaccinated. cbs's lilia luciano is in west hollywood with the latest. >> reporter: thank you, jericka. now l.a. county has 45% higher hospitalizations in just one

week, and there are more than a thousand vaccination sites in the hopes that more people will get their shots and finally stop the spread. tonight there's no end in sight for the covid summer surge. cases are climbing. that's not enough to stop this party. in chicago, hundreds of thousands packed la palooza, the four-day music festival. most showed proof of vaccination. >> we're pfizer fairies. >> reporter: there is concern breakthrough cases could trigger outbreaks. >> i feel very good about what we've done. obviously we'll know a little bit more in a week. >> reporter: nationwide, covid hospitalizations almost doubled in the last week. the vast majority of those patients are unvaccinated. virus hot spots including florida and hawaii are facing record breaking infection levels. but how their governors are reacting is dramatically different. >> there will be no restrictions and no mandates in the state of

florida. >> if we can't stop the increases, yes, i will have to reenact restrictions. >> reporter: medical experts say vaccines are the best weapon to fight the pandemic, but only half of americans are fully vaccinated. now lagging behind canada, which had a slow start. >> until the rest of the world understands that they have to be vaccinated, we're not going to get on top of this pandemic. >> reporter: in today's new york times, reports that more than million doses have gone to waste due to spoilage and dwindling demand. >> you have a very difficult situation, a pool of unvaccinated people and a virus that spreads very efficiently. >> reporter: to slow down new infections, more restaurants here in l.a. are requiring proof of vaccination or a negative covid test. others are offering outdoor dining only. jericka? >> lilia luciano in west hollywood, thank you. the senate was discussing a

sweeping legislation. we keep hearing about the deal. but is it really within reach? >> reporter: good evening, jericka. yes, after working through a rare weekend session, that bipartisan group of senators say the infrastructure bill that we've heard so much about for so long is finally almost ready to move forward. >> i understand it is being finalized eminently. >> we really are just about finished. >> it's 99 and 9/10 finished. they're drafting it. >> reporter: on "face the nation" today, west virginia democrat joe manchin told john dickerson the end is in sight. >> hopefully we're going to introduce it today, vote on it tonight, start amendment process hopefully on monday. we want to move on. >> reporter: moving is at the center of the legislation which provides a trillion dollars to buttress bridges, repave roads and build better broadband. >> there is no county, no community, certainly no state in this nation that won't see improvement because of this. >> reporter: but the bill might stall in the house, where

speaker nancy pelosi says she won't allow a vote unless the senate also passes a bigger democratic budget. >> the biggest problem is nancy pelosi says she's going to handcuff the two together. the real infrastructure with the spending monstrosity. >> reporter: even so, maine susan collins says she thinks enough of her fellow republicans will stay on board. >> i think each senator will make his or her own decision and look at the benefits to his or her own state. >> reporter: now, according to our hard working hill team, one of the senators just said they could have something done in the next couple hours. jericka? >> christina ruffini at the white house tonight, thank you. games and the united states leads the overall medal count with 59 so far, 20 of them gold. cbs's jamie yuccas is in tokyo and joins us with some very surprising finishes, if i say so myself, jamie. >> reporter: i know, you have to watch them all, too, jericka,

right? this weekend marks the end of swimming competitions. track will start racing to the finish line and usa women's soccer and men's basketball are do or die, heading into the knock-out stages in each sport. italy's lamont marcell jacobs becomes the first man to win the 100 meter gold ever for his country. born in texas, jacobs only lived in the u.s. for a short time before moving across the world with his mother. meanwhile, simone biles cheered on sunisa lee, kerry and skinner. lee took home bronze in uneven bars while skinner turned a second chance into a silver medal. >> it's been such an honor to be able to step in for simone. >> reporter: caeleb dressel once again winning gold in the men's 50 meter free style. >> proud of every swim, every effort i put in the water. >> reporter: usa swimming also picked up gold in the men's relay race, and the women picked up silver. now team usa turns its attention

to track and field, including lgbtq athlete raven saunders who won silver in the shot put, but also won hearts with her multi-colored hair, hulk mask and self-love attitude. u.s. golfer vander schauffeles . meanwhile simone biles will not compete in the individual floor final. she could still participate, though, in beam. jericka? >> jamie yuccas covering it all for us in tokyo. thank you. smoke from wildfires in california and across the west prompted the posting today of air quality and health alerts in several states, including portions of colorado, wyoming and washington state. and smoke from fires burning in canada triggered pollution alerts in wisconsin, minnesota, and iowa. extreme heat is fueling fierce wildfires overseas. more than 100 fires broke out across turkey. some near popular tourist

destinations. the flames forced some people to rush to the sea for a get away. and greece fire fighting planes helped dampen wildfire flames. officials call conditions there a catastrophe. the "cbs overnight news" will be right back.

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>> announcer: this is the "cbs overnight news." i'm jericka duncan in new york. thanks for staying with us. day 11 of the summer olympic games is underway in tokyo. this dwreeyear's olympics could history as the hottest games ever. some say it's a troubling preview of what's in store for the future. here's cbs's lucy craft. >> reporter: when it sought to host the olympics, tokyo boasted of its ideal climate for athletes to perform at their best. instead, brutal temperatures and humidity caused russian archer to faint. try athletes sickened collapsed

at the finish line. and heat stricken tennis player was carried off in a wheelchair. tokyo temperatures have spiked faster than the global average, driven by climate change and tokyo's heat-trapping urban landscape. university of tokyo professor has studied climate conditions at every recent summer olympics. >> i would say tokyo is the worst in the history for these 30 years or so. >> reporter: with over 50,000 heat stroke cases here each year, anti-heat stroke gadgets are selling fast at tokyo shops like this one, ranging from hand-held cooling tools to neck-chilling devices. wearable electric fans are a best-seller. i may look like the michelin man, but the fans built into my jacket ensure no matter where i go on the hottest nastiest day of summer i have my own wind

tunnel. they have mist towers, shaded benches and parasols. in the end, the marathon was moved to another city where temperatures are only slightly less sizzling. most of the world has become just too hot for the summer olympics. the choice the professor said is stark. move the games to a cooler season or give up on outdoor competition. so the summer olympics will become the summer indoor olympics. >> exactly. it's a bit weird, but i'm afraid that will be the only way you can have it in the mid summer. >> reporter: lucy craft, tokyo. a pair of amateur athletes is really getting into the olympic spirit. they're trying to complete all 96 events featured in the summer games. as they show feat ofurance is all for a eporter: 49 sports.

96 events. over 17 days. all by two. self-proclaimed idiots. stuart bates and charlotte nichols are attempting the impossible, by competing in their own version of the tokyo games in which they're the only athletes to raise money for a cure to lou garrick's disease known as als. >> i lost my brother to this disease ten years ago and we wanted to do something massive that's never been done before. we came up with this absolutely ridiculous idea of doing every olympic event in the 17 days of the tokyo games. >> reporter: they're calling it the spenny olympics who was their brother spencer.

he was a fan of the olympic games. it isn't for the faint of heart. and comes with its fair share of scrapes and bruises. when you fall off the horse like that, it's not a small part -- oh, oh. >> that's it. we worry about each other more than we do about ourselves. what happened? when i got up, here we go again. next event. >> i'm a tough cookie. i bounce. >> it was physically demanding and took a lot of planning. >> all of those things. but the reason behind it is the most driving force. >> bailey, stop running. >> reporter: they say the ambitious endeavor has earned them fans from across england. >> i think it's great. we couldn't make it to tokyo, but we're in abing dale. >> reporter: after months of training and advice from dozens of former and current olympians,

on everything from cycle racing to wind surfing in the english country side. but the couple say they have the physical endurance needed to complete all the sporting events, but there are other obstacles. >> yes, i'll have a massive phobia as ridiculous as it sounds. there are horrible dead fish floating by my board. we got back in and managed the race. i'm glad we managed. >> you shook that off quickly. >> had to be done. we can't do 95 events. >> reporter: and you won gold. >> yay! >> reporter: going for gold in the dozens of events only comes second to raising money. they have already received more than $40,000 in donations. >> we'll carry on until there is a cure, until there are treatments, we'll do it. if people want us to do the winter olympics, we'll take things on. ♪

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many block buster movies have been made about megadisasters that threaten the survival of humanity. well, now the pandemic is bringing new attention to the types of unlikely but possibly catastrophic dangers that usually go ignored. as brooks reports, one of them is hiding right under the surface of one of america's most well known and picturesque places. >> reporter: yellowstone, america's first national park, is probably best known as a place for bison to graze or for tourist to photograph. but for michael poland, it's something to study. he's the head of the yellowstone volcano observatory. >> there have been epic eruptions, not so long in the geologic past. >> reporter: the steam vents, and the mud pots, and all those

geysers, more geysers than the rest of the worldcom bind combi the past they produced three altering productions. >> that's the purple outline here. >> reporter: the outline of the eruption is so big it stretches out of the park and into idaho where we met volcanologist. >> where we are in the sequence, that's president lower part. that's probably earlier, that's the upper part, that was later. >> reporter: we had that big volcano and ice a few years ago. >> oh, yeah. the volcano cloud has closed the skies over the uk, netherlands, scandinavia, and northern france and germany. >> reporter: how many times binger is that one? >> probably 4,000 times bigger. >> reporter: the scale of that potential destruction is why yellowstone means yet something else to brian walsh. >> what's the sort of unlikely

but catastrophic outcome if a bunch of bad things happen at once? >> reporter: walsh's end times said we should think more seriously about very unlikely but potentially world-ending dangers. the table of contents reads like a hollywood pitch meeting. >> i'm just calling up to tell you something terrible has happened. >> reporter: warning of the accid accidental nuclear war of dr. strange love, the as troud impact of armageddon. and the men in black. does the alien invasion concern you? >> i wouldn't say it concerns me as much as some other risk, but we would be screwed. they are so much more advanced than we are. >> reporter: the threat of climate change or bioengineered super virus. or a.i. powered robot soldiers. are we just scared of things that are new or do we think this is a moment of particular peril? >> we're absolutely in a moment

of unique and growing peril. because of our efforts we are more in danger than we have been before. >> reporter: walsh wants more funding for technology that might help our odds of survival, like the catalina sky survey which looks for nearby asteroids. and how often do you find them? >> often. >> reporter: eric christianson runs the nasa effort. i hate to ask a popcorn movie question. is there something we can do about it if there was one coming? >> it may surprise you, the answer is yes. >> reporter: they are threatening to try it with an asteroid. nasa with johns hopkins university plans to make an intercept next year. >> it's a little crude, but it's effective. >> reporter: if that sounds less dramatic than the film version -- >> united states government just has to save the world. >> reporter: michael poland can relate.

his exact job that the movement i treatment in 2004. >> scientist in charge of the yellowstone volcano observatory. >> reporter: the bbc film "super volcano" envisioned mass volcanic devastation. that starts, yes, at yellowstone. have you seen the super volcano movie? >> i have, and it's entertaining. it was fun when i wasn't in this job. >> reporter: but now his job includes explaining that yellowstone is in no condition to erupt in any of our lifetimes. >> and when i say no, there's not any sign that the volcano is awakening, oftentimes people say to me, that's exactly what the guy in the movie said. of course, it's a movie. >> reporter: in fact, poland's take away withot world ending pandemic is that block buster style dangers might just be distractions. >> i guess iry more about a volcanic eruption that's lower

on the scale but massive. those sorts of eruptions are more likely to happen on human life scales. or small asteroid, or a pandemic not dissimilar to what we just lived through. we don't tend to focus on those because they're not as sexy in terms of their devastation. but they're much more likely to happen and they will have global impacts. >> reporter: on our visit to yellowstone, there were no super eruptions or giant asteroids or nuclear detonations. but if the flickering thought of the end the world helped us appreciate the scenery a little bit more, there was no harm in that. brooks, yellowstone national park. >> the "cbs overnight news" will be right back.

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when less clean energy is available. because that's power down time. finding homes for abandoned dogs and cats. but what about other less cuddly creatures? charlie demar visited an animal sanctuary in michigan that's making sure some pretty big rep tiles are treated with care and kindness. >> reporter: "godzilla" is 12 feet long and too heavy for the scale at the alligator sanctuary. >> "godzilla," come. up. >> reporter: he's the biggest of the 200 or so animals here, each with its own story, and too often a troubled past. >> the second alligator, his name is quasi, right next to it is linus. they were locked in the closet and left for dead.

>> reporter: the road side refuge has been in kelly's family for >> after about a year and a half, his backbone straightened right up. >> unfortuna tlife. we h few that come from drug raids. >> reporter: this alligator was pulled from a home in new hampshire. one in california was in a ri rickety tank. chance the snapper made headlines after he was dumped in the pond of a chicago park. >> many animals because they've been raised by people can't go to the wild. so there is no option for them. >> reporter: in some cases thesal gators have nowhere else to go. >> correct. >> reporter: so they go here, an unexpected oasis nestles in the farm fields near battle creek, michigan. and with so many gators turning up where they don't belong, lena

and the staff decided to train professionals. they have a removal business in michigan. he's so sure he'll get a call soon. he came here in april to learn the right way to rein in rep tiles. >> an alligator is an a pelicans predator. he has capabilities people certainly would never imagine. >> reporter: and with the training comes a new found respect. charlie demar, athens, michigan. >> and that's the overnight news for this monday. for some of you theews continues. for others, check back with us a little later for the morning news and, of course, "cbs this morning." from the broadcast center in new york city, i'm jericka duncan.

it's monday, august 2nd, 2021. this is the "cbs morning news." covid-19 prediction. daily cases are topping 100,000 again. the cdc's grim outlook for the next few weeks. housing crisis. a federal eviction ban expires putting millions of renters in jeopardy. what happens now after congress fails to pass an extension. podium protest. an american silver medalist could be in trouble for her could be in trouble for her actions at the tokyo olympics. captioning funded by cbs good morning. good to be with you. i'ne