And the crowd is only expected to grow. Kpix 5s anne makovec is live at Golden Gate Park. Reporter things are going pretty smoothly here albeit a little bit smokey at Golden Gate Park. Whats known as hippie hill near the meadow you can see from the pictures here that we got earlier from chopper 5. There are thousands of people gathered here. Crowds have been growing all morning long leading up to the magical minute 4 20 this afternoon. The 420 revelers started showing up at dawn. Come here wake and bake enjoy the beautiful day. Reporter smoking is not allowed in Golden Gate Park technically but it is today. Everybody will be on their best behavior not too crazy. Reporter between 8,000 and 15,000 people are expected to gather at hippie hill today. Streets are blocked off. The city brought it portable toilet after past years were out of hand. Its all good. Its just a day of fun. Reporter extra Police Officers are standing by to be sure it stay that is way. It makes it be more calmer out here, you know. Reporter just a few yards from the party, normal life continues in Golden Gate Park. These tennis players say they dont mind. Were not going to stop our thing. We wont stop doing our thing. Well all get along. Reporter there are snacks with midday munchies and efforts to get out the vote for the ballot measure to legalize Recreational Marijuana in november. Being here today seems like getting high, being positive, peace. You know. [ pause ] reporter anytime you have a gathering this large thousands of people youre going to have a garbage left behind. So the city is already preemptively organizing a big cleanup for tomorrow right here at hippie hill. Live in San Francisco, anne makevoc, kpix 5. The now for a different perspective on todays event head to our facebook page. Emily turner talked to some students at the high school where this phenomenon began. Take a look at the video and then we would like to hear your comments on 420 up on facebook right now. Across the country support for legalized marijuana use continues to climb. According to a recent cbs news poll 56 of americans said the use of marijuana should be legal. Thats a new high. And a slight increase to a year ago. 36 think it should not be legal. Thats down 7 points from last year. A break for renters in san jose. The city council has decided to cap rent increases. But kpix 5s kiet do explain why the housing fight is not over. Reporter they had a marathon session last night going for 11 hours until 2 a. M. One of the longest meetings on record and one for the record books. For the first time san jose has revamped its rent control laws. Rent increases are capped at 5 down from 8 . The Housing Department pushed the city to tie the increases to the inflation rate which is around 3 but there wasnt enough support to do so. The new cap also only applies to apartment buildings built before 1979 which is about a third of the units in san jose. The council also passed an antiretaliation ordinance which protects renters from getting evict should they report maintenance or code violations. 500 landlords and renters signed up to give public comments. Unfortunately, this proposal is probably the least business friendly thing i have seen in 30 years of business. Reporter there were competing proposals but the most interesting was by Councilmember Nguyen who wants the city to pass a billion dollar bond and use the revenue for affordable housing. We are working with the county to discuss what a countywide housing bond might do, recognizing we can get a lot more resources that way and im hopeful that we can find a formulation that our voters will support that will get more house house out there and built. Reporter the council is not done. Next month they will limit the number of rent control buildings that are demolished each year to protect tenants from losing their homes. In downtown san jose, kiet do, kpix 5. It was a very busy day on bay area freeways this morning with a few crashes making it tough on commuters. Traffic on northbound 880 came to a halt around 4 30. The cause, a big rig that hit the Center Divide at Alvarado Niles road. One person was seriously injured. A short time later, there was another wreck in the southbound lanes. All lanes were cleared by about 10 30. In daly city a rollover accident made a mess of traffic on southbound 280. Investigators say that the driver that caused the wreck early this morning apparently fell asleep at the wheel and hit a dump truck. That caused a Chain Reaction crash involving two other cars. The chp closed two lanes to clear the accident. There were no major injuries. Pittsburg police are on the lookout for a man who shot and killed a driver on highway 4 in pittsburg. It happened last night around 9 p. M. Near loveridge road. The victims car careened off the highway and plowed into a fence on california avenue. That stretch of road is no stranger to shootings. Last june two people were shot at on highway 4 while driving. The victim was a 19yearold girl. Just days before another shooting killed a 20yearold. You can expect a packed house at San Francisco city hall this evening. On tonights agenda will be an update on wearable body cameras for police. After several controversial officerinvolved shootings, the department of Human Resources will give an update on negotiations for alternatives to use of force. That includes tasers instead of guns. The meeting starts at 5 30. Three people are charged in connection with the water crisis in flint, michigan. Two state regulators and City Employee were charged with evidence tampering and other felonies and misdemeanors. For the first time, raising the lead tainted water crisis to a criminal case 18 months after switching the water shy to the flint river blood tests showed children had dangerously high levels of lead. Houston still under water and with more rain in the forecast, the fear is there could be more flooding. Emergency crews pumped out the murky floodwater from this toll road. Looking for a sunken car and its driver, one of those killed, a 49yearold woman whose car was stuck in an underpass. Officials say at least 7 people died in the recent floods. To campaign 2016. Donald trump and Hillary Clinton are using big wins in new york to cement their status as frontrunner for the president ial nomination. Cbs reporter Craig Boswell has the latest from the white house. Reporter donald trump and Hillary Clinton celebrated their New York Primary victories with tributes to their home state. Clinton chose alicia keys. [ music ] while trump went old School Senate . New york, new york reporter with new yorkers singing their praises, trump and clinton are closer to becoming their partys president ial nominees. The race for the democratic nomination is in the home stretch and victory is in sight [ applause and cheers ] we dont have much of a race anymore. Senator cruz is just about mathematically eliminated. Reporter the question now becomes, what can clinton and trumps opponents do to stop them . If we nominate donald, hillary wins. And if hillary wins by double digits. Reporter ted cruz was shout out yesterday and trump only needs 393 now to clinch the nomination. We have a path toward victory which we are going to fight to maintain. Reporter Bernie Sanders path is more narrow. He needs to win big in the remaining states. You can add the numbers up to get a way for sanders to survive but you need to do some voodoo to make it work. Reporter clintons victim means she needs only 30 of the remaining delegates to win the nomination. Craig boswell, cbs news, the white house. Trump and clinton will expand their leads next week if poll numbers hold up in pennsylvania, connecticut, delaware, rhode island and maryland. Those five states all hold primaries next tuesday. A strong aftershock in ecuador has caused some people to abandon their homes even those without damage. The 6. 1 earthquake today was the strongest in the aftermath. Weekend quake that killed more than 500 people. Rescuers are still trying it find survivors and the death toll is expected to rise. Still ahead a new face joining the Founding Fathers in your wallet. Changes coming to u. S. Money. Plus, the warning about Climate Change not just for the environment but also for your health. It is slightly cooler today. But still well above average as far as our temperatures are concerned. Take a look at this beautiful live weather camera. Kind of hard to believe. But we have rain returning right here to the bay area. Well track the raindrops together as the news continues right after this brief timeout. American the Treasury Department says a woman will replace Andrew Jackson on the 20 bill, specifically american abolition newest harriet tubman. Originally it was to change the 10 bill but the success of the musical hamilton and social media outcry prompted the treasury to reconsider replacing the founding father. A solid start to the spring home buying season. U. S. Home sales recovered in march after a february slump. The National Association of realtors says sales of existing homes rose more than 5 last month despite fewer properties on the market. The number of listings has fallen 1. 5 over the last year pushing up home prices. The median home price was up in march to 223,000 nationwide. Mitsubishi is accused of cheating on environmental tests in addition to volkswagen. Mitsubishi says it found evidence its own employees intentionally falsified fuel mileage data on more than 600,000 vehicles. All of the models are mini cars for which good mileage is the main selling point. Google is accused of violating Competition Laws by the european union. Regulators looked into preloaded apps on smartphones and other devices with the android operating system finding it favored the chrome browser in the search engine. They say google is denying customers in europe the ability to choose mobile apps. Uber and lyft dodged the bullet in price regulation. A panel is blocking a law that would prevent uber and lyft from as. Ing prices from adjusting prices called surge pricing. It would have also had stricter background collection for drivers. Most people think Climate Change is an economic, environment or political issue but as cbs reporter Omar Villafranca tells us doctors say its a health issue that needs to be addressed immediately. Reporter the American College of physicians warning Climate Change will have devastating consequences on everyones health unless aggressive action is taken we are the physicians of the nation and world, will bear the brunt of taking care of most of the conditions that result from Climate Change. Reporter they say the science is clear and compelling that Climate Change can cause potential Health Problems including heatrelated illnesses, respiratory illnesses like asthma as well as insect and waterborne diseases. We have had more incidents of heat stroke over the last 10 years than in the prior decade. Infectious diseases, tickborne diseases, lyme disease, chikungunya, malaria, dengue fever and zika virus has been associated with hher temperatures in parts of the world. Reporter there are also concerns that rising temperatures and natural disasters could lead to behavioral and Mental Health challenges. More stress, more ainge silent, posttraumatic stress disorder. Reporter the group hopes this report will help convince skeptics that the Health Dangers are very real. Omar villafranca, cbs news, dallas. The report says that the elderly, poor and sick are the most vulnerable to Climate Changerelated health issues. Santa clara is home to the largest multifunction charging station in california. The santa clara electric vehicle charging station opened today on tasman drive. There are 49 charging stations. Coincidentally, they are across from levis stadium so drivers can leave their cars to charge while they are watching the 49ers play. The station was put together through a grant from the California Energy commission. This morning in Oakland Caltrans workers paused to remember their peers lost in the line of duty. At the annual ceremony a bell chimed after each name was read. Caltrans employees paid tribute to their fallen coworkers and rededicated themselves to their safety and those of others. It is a dangerous world and we ask everyone to be patient as they are driving through a work zone. Were working at night. Were working during the day 24 7. And they need to Pay Attention to the road for their own safety, for other Public Safety and also for our employees safety. In the bay area, caltrans has lost 34 total employees since it started keeping records. To the weather now. Lets go to roberta. I went for a walk today and it was beautiful. You know, the closest i got to getting outside because im always here in the studio just poring myself over the computer models and i went outside to the mailbox. Oh, my goodness it is so pretty outside it really is. It took me aback. In fact, thats how it was in San Francisco when i walk outside. But i want to share with you 60 miles to the south this is san jose and this is what 76 degrees looks like. But also, the relative humidity right now across the Santa Clara Valley 15. Whenever its that low i think fire danger. Be mindful of that. Look at the clouds. Livermore in the mid70s. Same in concord. Its 67 degrees in oakland and santa rosa. You saw high, thin clouds out there. This little area of low pressure thats falling apart at the seams even though we had the high, thin clouds Robert Sullivan is one of my weather watchers that i call my bffs. He said he came in to check in and report 75 degrees in redwood city and now he is going outside the backyard again. Enjoy your day, robert. Meanwhile, heres what you need to know today. Perfect conditions today. Shower chances tomorrow. Well get wet on friday. Thank goodness because that will be lowering our pollen count by them. Its a big suffering day for many of us that suffer from allergies. Okay, heres the satellite and radar. This one right here still under cloud cover. Thats what i have been tracking. Its an area of low pressure towards aleutian islands. It promises to bring us some light rainfall on friday. Heres your thursday morning and you see we fill in with mainly cloud cover and a chance of a spotty shower. Heres your friday morning commute. It will be wet. Well have scattered showers throughout the day on friday. Accumulation generally less than a quarter inch. Were currently in the 50s into the 60s at the high sierra. Along the coast we have a beach hazard statement in effect tomorrow. We are in the 60s and in the 70s. Your sunset is at 7 51. And by later on tonight mainly cloudy conditions. Well call it cloudy thursday with showers. It will rain friday. Try skies over the weekend. For the record, i stayed inside the whole day. [ laughter ] this morning. Working hard. You guys i guess were working hard. I went to have breakfast. [ laughter ] hope you enjoyed it. I did. Well, speaking of food, the big mac is going even bigger. Mcdonalds is testing out a few changes to its biggest burger. The grand mac, looks good. Oh. Oh. It will have two patties weighing in at a third of a pound. But they are also testing out the junior mac which gives you one patty, sauce and fixings. I want to sing the song. Dallas and columbus get the first taste of the new macs before they are taken nationwide. Still ahead, it got a controversial win now how matt damon the marsh movie is sparking a new rule change for the golden globes. Whats cool about your school, you can email your nominations to us at coolschools kpix. Com and we may come and feature your school on the show. Your favorite ice cream flavors. The warm cookies you crave. Now in one delicious treat. Baskin robbins new warm cookie ice cream sandwiches. Well, todays tip of the day is going to be is going to be red grapes. Not your ofday red grapes. The mystic treats. These grapes are crunchy. Theyre big. Theyre revved. Theyre loaded with flavor. Selection and storage very important. They are sold in clam shells up to 4 pounds. When you open them, look how beautiful that is. Check the bottom and all the way around free from any moisture or decaying. Nice and red the grapes. Stems, nice and green. When you bring them home, in the refrigerator right away. Now, they are not going to be around for a long time. In a few weeks they will be gone until next year. So if see them in the market enjoy them. The mystic treats. Mmm its good. The martians golden globe win for best comedy is sparking a rule change. It drew criticism from hollywood because the film is a drama what a few amusing moments. It punished the Hollywood Foreign press to change the rules of. They now state that the movie theme should match the overall tone for the categories in which theyre entered. People magazine just dubbed Jennifer Aniston as the most beautiful woman in the world. Aniston says she very flattered by the title and this isnt the first time she got it. The 47yearold also graced the cover of the magazine 12 years ago. The year her role as rachel on friends ended. The 26th annual most beautiful issue hits newsstands friday. She is beautiful. She is.