By Whitney Bauck for Bloomberg News.
Broadcast version by Eric Galatas for Colorado News Connection reporting for the Solutions Journalism Network-Public News Service Collaboration

A new program in Denver offering rebates for electric bikes has become so popular, you’d think the city was giving away free Broncos tickets.

Residents this month scooped up the latest lot of 400 vouchers within minutes of them becoming available on the city’s online portal. It was the fifth round of the monthly program, which was first launched in April. Even Grace Rink, the city’s chief climate officer who touts the program as a way to help Denver reach its climate goals and reduce air pollution, was surprised by how much of a hit the rebates would become.

“We thought there would be some interest in owning e-bikes — we just had no idea it would be as popular as it has been,” Rink said. “For those of us who have made our careers in government and have tried to tell people about all the programs we have, we know it's hard to get the word out. This one wasn't hard. People jumped on it right away.”

The rebate program offers Denverites between $400 and $1,700 off the purchase of an e-bike. It’s been so successful that the city is now increasingly being looked to as a model by the rest of the country as local communities take on more initiatives to reach net-zero emissions targets. 

E-bikes feature battery-powered motors that assist riders as they pedal, allowing a broader range of people to make more and longer trips than traditional bicycles. While e-bikes have typically attracted less attention than electric vehicles, they’re more financially accessible to a wider swath of people and can help to reduce traditional car traffic and emissions. 

The Denver initiative grew out of a 2020 vote in which residents approved a 0.25% sales tax increase to provide $40 million in funding per year for climate action, meant to move the city toward its goal of reaching net-zero emissions by 2040.

When the office of Climate Action, Sustainability & Resiliency (CASR) first launched the rebates, the program reached capacity with more than 3,000 applicants in just weeks. Demand was so high that the city retooled its approach and is now offering the rebates on a limited monthly basis.

What Makes Denver Unique?

While there are a smattering of state and local initiatives that offer e-bike rebates throughout the country, the Denver program stands out for a few reasons. First, the vouchers are offered on a sliding scale, with the biggest benefits reserved for the lowest-income individuals. Rink said income qualification is a crucial part of the program because it bakes equity into climate action.

The vouchers also offer a discount at the point of sale, rather than as a tax rebate that recipients have to wait to get cash back from. That’s another key part of lowering the participation barrier for low-income riders, said Noa Banayan, director of federal affairs at the Boulder, Colorado-based advocacy group PeopleforBikes.

Other distinguishing factors include the size of the rebate — at as much as $1,700, it’s one of the largest in the US.

Another essential feature has been the city government’s partnership with local retailers, which helps to ensure that the bike vouchers are incentivizing recipients to keep money circulating in the local economy.

In New York, advocates for the NY Ride Clean Rebate, which would extend the state’s Drive Clean electric car rebate program to e-bikes, have pointed to Denver as proof that these kinds of programs can work. The New York bill, which would provide an immediate 50% rebate to anyone buying an e-bike for as much as $1,100, passed in the state senate but then died without a vote in the assembly last year. Organizers are pushing it once again in 2022.

“The main takeaway from Denver is that the idea is incredibly popular and that people are incredibly eager to adopt it,” said Darren Goldner, one of the leaders of the Ride Clean effort who helped draft the New York bill. “E-bikes are game-changers that can break through car dependency and open up mobility to people who can’t afford cars. They’re a class leveler that facilitates sustainable transportation for members of the working class.”

What Are the Hurdles?

Denver’s program won’t be a perfect fit for every city. Increased investment in infrastructure, including protected bike lanes and safe bike storage, are crucial for increasing the appeal and safety of using e-bikes for regular transportation. But that can come with a high price tag. “Even a mile of bike lane can cost in the millions of dollars,” said Rink, Denver’s chief climate officer.

But considering that transportation is the second-largest source of emissions for cities like Denver, the costs can be worth it. That’s especially true when factoring in that about 75% of car drives within the city “are just one person driving alone,” and that the “majority of trips are less than six miles from home,” Rink said. An e-bike can easily be swapped for a car on those kinds of trips.

 “If cities are asking, ‘How do we very quickly and effectively reduce the emissions within our city,’ they're going to realize that e-bikes have the best ROI for that problem,” Rink said, referring to return on investment.

The question, though, is whether the rebate program is actually reducing car use. So far, the early data looks promising.

Ride Report , a micromobility-focused technology company, has been tracking the e-bike use of 70 rebate recipients who voluntarily downloaded the company’s app. According to Michael Schwartz, the head of customers and policy, rebate recipients are traveling an average of 3.26 miles per e-bike trip, with 90% riding at least once a week and 70% riding daily.

Andrea Coyle is one of the Denver residents who’s benefited from the program. She and her wife both bought e-bikes using city vouchers with the goal of replacing two car trips a week. But they’ve exceeded their own expectations, and instead find themselves riding “most days,” Coyle said.

Coyle, who received a $400 voucher, deals with chronic fatigue and sports-induced asthma. Riding on an e-bike makes hilly or longer outings more doable for her. And she and her wife are eager to take advantage. There’s “a car trip almost every day that we're replacing,” she said.


Whitney Bauck wrote this article for Bloomberg News.


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The Pacific Northwest Water Year Impacts Assessment, an important resource for managing drought and other climate extremes, was published today. The assessment tracks impacts of weather conditions on different sectors across Washington, Oregon and Idaho. The 2024 water year, which starts and ends in the fall, was Washington's fourth warmest in more than 100 years. Higher temperatures and low snowpack contributed to drought in much of the state, according to the new data.

Karin Bumbaco, climatologist and lead author of the assessment, says the research is helpful to understand cumulative impacts of drought on the region.

"Even though our snowpack is doing better now compared with last year, that really has to be seen through the lens of deficits from the previous year and even before," she explained.

Bumbaco added that in the last decade, droughts have been more frequent than usual in Washington. The assessment focuses on impacts of either too much or too little water on seven sectors, including agriculture, drinking water, fisheries and forestry.

Bumbaco said the agricultural sector in Washington reported the highest number of impacts from dry conditions last year.

"That can range from limited water availability, reduced crop yields. There was also quite a few reports about negative consequences for livestock and grazing," she continued.

Bumbaco said heat, fire and smoke forced recreation areas to close, and the drought brought increased insect activity and tree mortality. This is the fifth Water Year Assessment, and Bumbaco added that along with the challenges she has noticed more people working to mitigate impacts of a changing climate.

"There seems to be more climate resilience being built across our region. And people are taking actions to kind of avoid the worst impacts from either really wet conditions or really dry conditions," she said.

For example, she said farmers are changing crops, as well as the timing of irrigation, and monitoring water use and availability more closely. While some areas of the state saw reduced stream flow, increasing salmon mortality, the assessment was not all bad news. Bumbaco said a well-timed August rain supported a record salmon run in North Central Washington.





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The feasibility of putting solar panels over the state's network of canals is the topic of a big new research project, co-led by the University of Southern California.

The California Solar Canal Initiative builds on a study from the University of California-Merced, which found solar arrays over the canals could generate clean energy, conserve water, reduce air pollution and save land.

Monica Dean, director of climate and sustainability practice at the University of Southern California-Dornsife, said the research will answer practical questions.

"How would we do it? Which canals make the most sense? How much energy could they actually produce? What would the economic implications of doing this be?" Dean outlined. "We're taking a hypothetical scenario and making it real."

The research phase will last about two years and is expected to provide a roadmap for policymakers, utilities and communities. The original Merced study estimated covering the Golden State's canals with solar panels could generate enough electricity to power about 2 million homes each year.

Covered canals also prevent evaporation and could save enough water to meet the residential needs of up to 2 million people per year and they could lower maintenance costs, since fewer weeds grow in shade.

Dean estimated the arrays could save about 50,000 acres of land.

"Rather than needing to put a solar panel on land that could be used for housing or farming or some other purpose, now you're just repurposing existing infrastructure and making it work a little bit harder," Dean emphasized.

The initiative is cosponsored by the independent advisory firm Solar AquaGrid. It will also include faculty from the University of California-Berkeley, the University of California-Irvine, the University of California-Merced and the University of California College of the Law-San Francisco, plus San Jose State University and the University of Kansas.

Insurance rates are rising quickly in California because of fires and floods linked to climate change and now, two new bills in Sacramento seek to make oil and gas companies pay.

The Affordable Insurance and Climate Recovery Act would create legal pathways for homeowners, insurance companies and the state insurance plan to sue and recover losses from oil and gas companies.

Melissa Romero, policy advocacy director for the nonprofit California Environmental Voters, said the companies misled lawmakers and the public.

"The one group that hasn't paid their fair share in all of this is oil and gas companies," Romero contended. "They knew since the '70s and the '80s that their products were creating runaway climate change. They hid the science, they did nothing about it, and they continued to push an agenda that stymied a lot of efforts to switch over to clean energy."

The Western States Petroleum Association called the bills a way for politicians to capitalize on tragedy. The California Independent Petroleum Association said the real culprits for the fires are arsonists, environmental lawsuits that prevent forest management, and cuts to firefighting budgets.

Romero also supports the Polluters Pay Superfund bill, which would charge fossil fuel companies according to their role in climate change and invest in climate-resilient communities.

"It requires the California Environmental Protection Agency to do a report about the actual costs, both looking backwards and forwards, that climate change has caused to California in terms of our infrastructure, disaster response and things like that," Romero outlined.

Proponents of the bills complained insurance ratepayers and taxpayers are hard hit by climate disasters. The state's FAIR Plan, the insurer of last resort, has assessed insurers and ratepayers $1 billion for Los Angeles wildfire claims so far. Meanwhile, State Farm is likely to get regulators' permission to raise homeowners' insurance rates by 22% after a hearing on April 8.