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JOSHUA TREE, Cali. – Scientists say climate change could kill off California’s iconic Joshua trees completely. “The future for Joshua trees might be a little bleak and we know that,” said University of California Riverside biologist Lynn Sweet, Ph.D. Sweet says these trees, which have been on the planet for more than 2.5 million years, could soon be extinct due to warming weather. Her team of scientists released a new study showing the impacts of climate change on California’s high desert -- saying as the Earth gets hotter and gets less rain, it will be harder for these trees to survive. “Joshua trees need really special conditions in order to germinate and grow,” Sweet said. “And those conditions might happen less and less frequently.” Sweet predicts Joshua trees could be extinct within the next 50 years. “We’re looking at the future of maybe keeping 20 percent of the Joshua trees if we really get our acts together,” she said. “And we’re looking at less than 1 percent of Joshua tree habitat remaining in the park if we don’t do something about climate change.” Some visitors say they are already seeing the change. “The Joshua trees don’t look happy,” tourist Jean Blattner said. “They seem to be in the park area suffering.” Blattner has been visiting Joshua Tree National Park for the past 30 years and says the conditions are getting worse. “They’re not as full; they don’t seem to have the glisten that they used to when the sun shined on them before,” she said. Not everyone, however, everyone is buying it. “Even though it looks a little dry it’s still full of life,” said Nelson Perez, who has lived in Joshua Tree for 20 years. Perez supports science but doesn’t believe that these trees could be completely wiped off the planet by the end of the century. “I don’t think it’s to an extent that a lot of the climate changers beliefs are so I’m kind of in the middle,” he said. Sweet, however, says science supports her findings and encourages people to think about how their carbon footprint impacts the environment. “So, the degree to which the Joshua Tree is in trouble is really up to us,” she said. “If we can make a difference, we can make a difference for these trees.” 2219

The Ohio Department of Agriculture issued a warning about an insect that could kill wine in Ohio.The spotted lanternfly can cause significant damage to some plants and has been seen in Pennsylvania. According to the Department of Agriculture, the insect is fond of grape and fruit trees, hops, blueberry, oak, pine, poplar and walnut. Adult spotted lanterflies usually eat grapevines, while nymphs eat multiple types of plants. The insects eat stems and leaves, which can cause sap to bleed and reduce photosynthesis, which can eventually kill the plant.Spotted lanternflies can be spotted now through November. The insect can be identified by its red body, roughly a half-inch in size, with black stripes and white dots. Later this summer until November, the insect is in the adult moth stage. The adults are larger, roughly one inch in size, with black bodies and brightly colored wings.The insect has not been confirmed in Ohio yet but residents who believe they have spotted one are asked to report it online or by calling 614-728-640. For more information, click here. WEWS' Courtney Shaw first reported this story. 1144

Bill Chavez has always been fascinated with big trucks. He comes from a long line of truckers, which is one of the reasons he’s devoted his life for 39 years to the profession. To most people, Chavez’s truck looks like any traditional semi. However, it’s not ordinary, because with a push of a button, it can drive itself. “What we’re trying to do is create the world’s safest self-driving trucks,” says Chuck Price, the chief product officer of TuSimple, the company behind the self-driving semis. TuSimple is currently operating 15 self-driving semis, and Price says by June, they'll have three times that number. “This is actually a laser radar unit; we call it lidar, built into the mirror. This gives us a close-in view,” Price describes. “Then, we have cameras along the top of the vehicle that show us…much further away.” TuSimple’s trucks are already in the southwest part of the country, on interstates across the region. "Our systems see farther, track more objects and respond faster than a human can operate," Price says. Right now, a human must be in the trucks at all times as back-up protocol, but the company says a fully self-driving semi could happen by 2020. The company says when that day comes, it will alleviate one of the industry's biggest problems.Tony Bradley, with the Arizona Trucking Association, says nationwide they're currently 50,000 drivers short. "This is the worst shortage we've seen in the history of trucking,” Bradley stresses. Bradley says 15 years from now, the shortage could be as high as 200,000, thanks to the large number of drivers approaching retirement age. "It's a job that is frankly, not very glamorous," Bradley says. However, the job continues to be appealing to Chavez. "It's just very enjoyable to be out there on the road and being your own boss," Chavez says. He knows that a time may come where drivers might be replaced by this technology. However, he's OK with that idea and says roads will be safer for everyone. "This is a system that's gonna help,” he says. “Either way, it’s helping," Chavez says.However, he says that day is much further down the road. 2133

A Union Pacific train hauling lumber and other chemicals derailed and caught fire early Wednesday morning while crossing a bridge over Tempe Town Lake, which caused a portion of the bridge to collapse.More than 90 firefighters from the Tempe Fire Department and other nearby agencies responded to the southern portion of Tempe Town Lake where they found several train cars on fire. Flames could be seen running the length of the bridge, sending dark clouds of smoke billowing into the air near Tempe Beach Park.Several firetrucks were seen spraying water on the flames for several hours Wednesday morning, while a fireboat was helping to spray water onto the flames and remnants of the fire from the lake.Tim McMahan, a spokesperson for Union Pacific Railroad, said in an email that eight to 10 train cars were reported to be on fire. He said none of the train's crew were injured, but said one person was treated for smoke inhalation. When the south side of the bridge collapsed, three tank cars fell below it. Two of those cars were hauling cyclohexane and the other was hauling a rubber material, McMahan said in an email. Cyclohexane is a class ii combustible liquid that smells like acetone or peppermint, according to the CDC's website.McMahan said none of the three tanks were involved in the fire and were not believed to be leaking any material.As a result of the investigation, several roadways near Tempe Town Lake, including portions of the Loop 202 Freeway, have remained closed throughout much of the day. Tempe Beach Park is also closed. All classes and boating activities were quickly canceled, the City of Tempe said in a news release. Valley Metro has also terminated its eastbound service at 38th Street and Washington and westbound at Smith-Martin and Apache. It used buses to re-route passengers between those two stops, operators said in a tweet.The light rail does not use the bridge that collapsed. The track where the bridge collapsed is mostly used for cargo trains, McMahan said. Service Alert-Update: Due to a heavy rail fire in Tempe, Valley Metro is terminating service eastbound at 38th St/Wash and Smith Martin/Apache Blvd in Tempe. Buses are being assembled to transport passengers around the incident. #vmservice— Valley Metro (@valleymetro) July 29, 2020 The cause of the derailment remains under investigation, officials said.Investigators with the Federal Railroad Administration have been sent to the derailment site to "start a preliminary investigation," a statement said. "Further updates will be provided at a later time," the FRA released in a statement.People should expect investigators and emergency officials to be in the area for a while. This article was written by Ashley Loose for KNXV. 2782

Arnold Kee has always pushed his two sons to do well in school. Then, an email he received from their high school last year alarmed him. It alerted parents about high levels of lead found in the water. “Fortunately, they've both done well, but it's the type of thing that makes you wonder would they have performed even better had they not been exposed to whatever lead was in the system,” Kee says. According to the Environmental Protection Agency (EPA), even low levels of lead can cause behavior and learning problems, including lower IQ scores. The school replaced water fountains and installed filters at the school designed to reduce lead. “What I like is the idea of the school being proactive and trying to address it, but then also the city itself trying to address it, because I do think it takes more than the just the city to be on top of what's happening,” Kee says. Washington, D.C. law now requires filters to be put on water fountains at schools, daycares and even at parks. However, D.C.’s efforts are the exception. An alarming report by Environment America found most schools are not doing enough to protect students from drinking water contaminated with lead. “We see pervasive contamination of drinking water at schools and pre-schools across the country,” says John Rumpler, co-author of the report.The report looked at states across the country and found most received failing grades. Millions of children are being exposed to lead from contaminated pipes and drinking fountains. “If your kid’s school was built before 2014, chances are the pipes, the plumbing, the fountains, the faucets have significant amounts of lead in them and those faucets and fountains should be replaced and filters should be put on,” Rumpler says.Rumpler urges parents to pressure their schools and lawmakers to make those changes. He also any parents concerned about lead contamination should talk with their pediatrician. 1937