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Solar-powered bike, made in Denver South High School, to make maiden journey

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Solar-powered bike, made in Denver South High School, to make maiden journey


A group of student engineers from Denver South High School are seeing the fruits of their labor as a years-long project comes to life. They’re getting ready to take their modified and solar-powered bike on its maiden journey.

The solar bike — also known as the “Solar Quest Lancer” — is a completely electric bike charged with solar power and custom-made batteries. It also has a body built around it and the driver.

“It’s exciting to see it actually come to life,” said Jack Dawnson, a senior at South High. He and his classmates have been working on the bike for the past two years.

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Jack Dawnson  

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“I have never done anything electrical in my life, so it was an experience for me to learn how to put together batteries, to learn how to use the solar charge, and overall just make it work,” he said.

The project is part of South High School’s Makerspace — an organization where students’ ideas can become inventions.

Zach Marchetti is the technology director and sponsor of Makerspace.

“Everybody kinda pitches in and becomes a great community project,” said Marchetti. He says the Solar Quest Lancer has seen its fair share of challenges. “We had to build the body in three separate pieces so it could move up and down the stairs of the school.”

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Now the Solar Quest Lancer is ready to be put to the test.

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“We wanted to see if we could make a car that could go from here to the Kansas border on solar power,” Marchetti says.

The trip will take nine hours to travel 180 miles, only going about 30 miles per hour. It’s an example of a trip that’s not about the destination – but about the journey.

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“I’m feeling pretty excited. A little bit skeptical in a way,” said Dawnson. “It’s going to be a long drive. It’s gonna be fun.”

They plan to make the trip within the next few weeks, after sorting out logistics with the insurance, route and maintenance. 



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Denver, CO

Broncos Ring of Famer Craig Morton, who led Denver to first Super Bowl, dies at 83

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Broncos Ring of Famer Craig Morton, who led Denver to first Super Bowl, dies at 83


Craig Morton, a Broncos Ring of Fame quarterback who played professionally for nearly two decades, died Saturday at his home in Mill Valley, Calif., at the age of 83.

Morton’s family confirmed his death through the organization, which announced the news on Monday.

Morton led Denver to its first Super Bowl appearance in 1977, quarterbacking the team best known for its ferocious Orange Crush defense. That season, at the age of 34, Morton earned the league’s comeback player of the year award and sparked a six-season run with the Broncos.

“He was our leader that year that we went 12-2, the first year he came to Denver,” fellow Broncos Ring of Famer and former safety Steve Foley told The Post. “It was a magical season. He was just tough as nails.”

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Morton was hurt throughout the playoffs and Foley said the quarterback was in the hospital before the AFC Championship Game, when the Broncos beat the Oakland Raiders, 20-17, and advanced to their first Super Bowl appearance.

“I don’t know how he even suited up,” Foley said. “He was black and blue and yellow all over his hip. … Man, he came out and had a great game. He was just tough.

“And what a gem of a guy. Oh, yeah. He had the best heart.”

Morton was the first quarterback to lead two different teams to the Super Bowl, taking the Cowboys there in 1970 before later leading the Broncos.

Morton was born in February 1943 in Michigan, but graduated from high school in California and played quarterback in college at Cal. He also played baseball in college. He was selected No. 5 overall by Dallas in the 1965 NFL Draft, five years before the AFL and NFL merged.

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Broncos executive vice president of football operations John Elway jokes with fellow Ring of Fame member Craig Morton as they pose with team greats for a group picture during the unveiling of the bust of Pat Bowlen in front of Sports Authority Field at Mile High Stadium in Denver on Friday, Oct. 30, 2015. (Photo by AAron Ontiveroz/The Denver Post)



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The hippo had to go, but the Denver Zoo slashed its water budget

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The hippo had to go, but the Denver Zoo slashed its water budget


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  • Zoos in the American West are implementing water conservation measures due to drought conditions.
  • The Denver Zoo has significantly reduced its water usage through upgrades like filtration systems and replacing old pipes.
  • The Phoenix Zoo focuses on housing animals suited for its hot climate and has upgraded its irrigation systems to save water.

DENVER — Zoos are of necessity big gulpers of water, a fact that has some zookeepers in the drying American West working to rapidly upgrade efficiency and reduce unnecessary irrigation or leaks.

Denver Zoo, formally known as the Denver Zoo Conservation Alliance, has rapidly reduced its demands on threatened and declining water sources, including the Colorado River.

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Among the upgrades is a sea lion water filtration system that allows most of the water to be cleaned and reused each time the pool is drained. That’s saving more than 8 million gallons a year, zoo sustainability director Blair Neelands said. “You can get in there, scrub it with a toothbrush and refill it with the same water,” she said.

Similar upgrades to an African penguin showcase reduced its water use by 95% by largely eliminating what’s sent down the drain. (Like a backyard swimming pool, though, these tanks sometimes still need to be drained and refreshed with new water to reduce mineral buildup.)

“The biggest thing for us is swapping from dump-and-fill pools to life-support systems,” Neeland said.

Another biggie is replacement of a 50-year-old water main with funding of about $3 million from the city. There’s no way of knowing how much that pipe had leaked over the years, but Neeland suspected it was more than a million gallons a year. The savings should become apparent as the zoo tracks its water use over the next few years.

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Creating hippo-sized water savings

When The Arizona Republic visited in 2025, the zoo was on the cusp of eclipsing a goal to reduce its water use by half of what it had been in 2018. The zoo had used 80 million gallons in 2024, or about 219,000 a day, a 45% reduction in just a handful of years. Much of the savings had come in the form of smarter irrigation practices and use of drought-tolerant native plants where possible. The landscaping also pivoted to recycled “purple pipe” water from the city, which owns the zoo’s land, restricting potable water to areas where animals really need it.

“When people hear ‘recycled water,’ they get worried about cleanliness and hygiene,” zoo spokesman Jake Kubié said. “But it’s safe for the animals, and it’s not their drinking water.”

Getting past the water conservation goal would mean draining the pool where Mahali the hippo spent most hours lurking with just his eyes, ears and snout visible to visitors. Because he spent so much time in the pool, the water needed daily changes. It amounted to 21 million gallons a year, not to mention water heater bills that drove the cost to $200,000 a year, according to zoo officials. They estimated that Mahali used as much water as 350,000 four-person households.

“This facility is outdated,” Kubié said. “Some day this will become a huge saver of water.”

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That day came before year’s end, and it indeed brought a tremendous savings. The zoo shipped Mahali to a new home (and a potential mate) at a wildlife preserve in Texas and drained the pool one last time. Ending the daily change-outs shaved more than a quarter of the zoo’s entire water usage from the previous year. It put the zoo significantly beyond its goal.

Denver Zoo’s water savings are part of a broader waste- and pollution-prevention effort aimed at being a good neighbor in uncertain times, Neeland said.

“Water savings and drought is top of mind for anyone who lives in the Western United States,” she said.

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In Phoenix, a different mix of animals

That’s true of the Phoenix Zoo, as well, where zookeepers must maintain landscaping and animal exhibits in a city that baked under 100-degree-plus high temperatures for a third of the days last year. The zoo creates a “respite in the desert,” spokeswoman Linda Hardwick said, but has no hippos, penguins, grizzly bears or many of the other species that would require big water investments for outdoor swimming or cooling.

“We really specialize in animals that will thrive in the temperatures here,” Hardwick said.

The Phoenix Zoo uses most of its water on landscaping. After a consultant’s 2023 irrigation assessment, the staff centralized irrigation scheduling under a single trained technician and employed technologies including weather-based controllers and smart meters. Salt River Project awarded $70,000 in grant funds for the upgrades and several thousand more for training.

The zoo uses about 189,000 gallons a day, she said. That represents a 17% reduction from 2023, or 20% when adjusted for the year’s particular weather and evapotranspiration demand.

Brandon Loomis covers environmental and climate issues for The Arizona Republic and azcentral.com. Reach him at brandon.loomis@arizonarepublic.com.

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Environmental coverage on azcentral.com and in The Arizona Republic is supported by a grant from the Nina Mason Pulliam Charitable Trust. 

Follow The Republic environmental reporting team at environment.azcentral.com and @azcenvironment on Facebook and Instagram.





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New video shows trespasser on Denver airport runway before deadly collision

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New video shows trespasser on Denver airport runway before deadly collision




New video shows trespasser on Denver airport runway before deadly collision – CBS News

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A surveillance video shows the alleged trespasser on the runway at the Denver International Airport before a Frontier jet struck and killed the person.

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