By Syris Valentine for Grist.
Broadcast version by Suzanne Potter for California News Service, reporting for the Solutions Journalism Network-Public News Service Collaboration

When the sharing economy took off in the 2010s and upended entire industries, the firmest proponents of the model heralded it as an economic revolution that would help slash emissions. Of all the ideas that emerged and dissolved over the years, shareable electric scooters seemed to possess the most promise for climate. Almost anyone with a smartphone and a credit card could grab one and ride it down the block or across town, eschewing automobiles.

Yet, as the industry matures and Lime - which, with operations in 280 cities worldwide, is the biggest player - moves further into its eighth year, researchers have shown that the eco-friendly dreams of shared micromobility have not materialized without problems. The true climate benefits of these fleets depends upon how companies deploy and manage them, and safety remains a concern as injuries climb. But industry leaders appear intent on ensuring their scooters are as sustainable and safe as possible.

"It's really important as a company that has set a net-zero target by 2030," said Andrew Savage, Lime's head of sustainability, "that we walk the walk, and that we do everything we can to inspire the industries around us to decarbonize as well."

The sustainability of shared micromobility is an active area of research in a fast-changing industry. Ultimately, researchers see two factors that determine the overall climate impact of e-scooters: how users ride them, and how operators manage them from manufacturing to disposal.

A recent survey of the latest research questioned whether the sharing economy is inherently sustainable, including a particular look at e-scooters. The survey found many researchers were repeatedly concerned with the question: "If riders hadn't rented a scooter, how would they have gotten to their destination?" If someone would have walked instead of ridden, that person increased the emissions associated with that trip. But several studies, including one by the Portland Bureau of Transportation and another, funded by Lime, by a German research institute, have found that though anywhere from a third to well over half of scooter users would have walked instead, enough other trips that would have been taken by car were not. Shared scooters, on the whole, help reduce overall transportation emissions - often preventing 20 grams of CO2 emissions per mile ridden on a scooter.

The picture in urban landscapes, however, can get slightly more complicated when researchers consider how those providing the scooters retrieve them to charge, repair, or redistribute them to where people are likely to use them. Colin Murphy, director of research and consulting at the Shared Use Mobility Center, said that when operators use big cargo vans to manage their fleets, they can negate some of the emissions savings from users.

To address this, Savage said the company is improving its fleet logistics to reduce overall emissions. Lime's scooters and bikes are now equipped with larger, swappable battery packs, which means they need to be charged less often, and when they do, fleet workers can drive around with a trunk full of battery packs rather than taking the scooter back to a warehouse, effectively cutting logistics emissions in half while ensuring scooters are available more often. Savage said the company has also bought over 140 electric vans to support those operations. Though that's 10 times the number Lime had a few years ago, it's still only one van for every two cities it operates in.

Savage said Lime is also working to reduce its impacts in other ways. For instance, in North America, "once vehicles arrive at port," Savage said, "we are now using emissions-free trucking to get those to our distribution centers." Beyond that, the company has designed a modular bike that makes it easier to swap out damaged parts, and parts that are beyond repair are often sent for recycling. And it has worked with one company, Gomi, to salvage cells from partially damaged batteries for use in what it says are zero-waste Bluetooth speakers.

But perhaps the most concerning hurdle the industry faces is also the one over which it has, in reality, the least direct control: rider safety. One study, released earlier this year by researchers at the University of California, Los Angeles, found that from 2017 to 2020 serious injuries for scooter riders rose threefold, just as revenues for the scooter-sharing industry shot from $10 million to nearly $450 million. This trend only continued into 2021 and 2022, with micromobility injuries increasing an average of 23 percent every year. And these weren't just scrapes and bruises. The UCLA-led study found that scooter users were, compared to cyclists, more likely to end up with a broken arm or leg, require surgery, or even end up paralyzed. The researchers suspect that may be due, among other things, to riders often lacking safety gear.

Lime insists that it places safety first. But with most American cities designed to promote cars over all other forms of transit, the health of scooter users is, like those of pedestrians and cyclists, at risk once wheels hit pavement. Perhaps it should be no surprise that of the 30 people killed in 2018 while riding an e-scooter, 80 percent were struck by a car. This is why, if society wants to move away from cars as the default, Kailai Wang, who studies urban mobility at the University of Houston, believes urban areas need to invest in upgraded infrastructure like protected bike lanes that can make roads safer for non-automotive transport.

Of course, cars aren't the only dangers e-scooter users, like cyclists, face. Poor road and sidewalk conditions can lead to serious injuries. And sometimes riders are their own enemy. According to some studies, first-time riders and late-night riders face elevated risks. Murphy, said that these are two areas where scooter-sharing platforms and local policymakers can step in.

For instance, he said that operators could artificially limit the max speed of a scooter during a user's first few rides as they grow accustomed to the vehicle. In other cases, many cities prohibit e-scooter rides in the wee hours to prevent misuse. But "to the degree that these vehicles provide a real kind of transportation lifeline for some people," Murphy said, "that's almost when they're at their most important." For someone who ends a late shift after bus services end, an e-scooter might actually be their best, or only, means of getting home. This reality led the Chicago City Council, for example, to consider revising its own late-night prohibition.

As long as people have access to one of these vehicles when they need one, and a safe lane in which to ride it, shared micromobility can help cities move away from car-dependent transportation, slashing emissions in the process, by shifting transit from something material and energy-intensive to something low-impact and electric.


Syris Valentine wrote this article for Grist.


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On Election Day, a broad coalition of conservationists, labor, and others helped defeat a ballot initiative to repeal Washington State's Climate Commitment Act. The act, passed in 2021, is the state's state's primary vehicle for reducing emissions and pollution and a major source of funding for clean energy infrastructure and climate initiatives.

Billy Wallace, political and legislative director with the Washington and Northern Idaho District Council of Laborers, said passage would have meant the loss of as many as 45,000 clean-energy jobs.

"We started building a coalition, and it ended up being a little over 600 groups, from labor, from environmental. The Catholic Church was on it, We had 21 of the 29 tribes sign on. So it was a very diversified coalition that came together to save this funding." he said.

Initiative 2117 was one of four ballot measures backed by the Let's Go Washington PAC funded primarily by conservative hedge-fund manager Bryan Heywood. Wallace said that over the next 8 years, Climate Commitment Act investments would create 45,000 jobs in Washington State.

Wallace added the coalition faced an uphill battle to help the public understand that jobs and the environment were both on the line.

"These are the investments, even in schools, clean air, clean water. And once we figured out we got to educate the people on what's going on, it was complicated. It was confusing for the general public. So we raised $18.4 million for this campaign from that big coalition," he continued.

Climate Jobs Washington and its member unions formed a coalition to protect the act. Wallace said labor organizations were instrumental in passing the original measure three years ago.

"It was crucial for our members. Our members work in the building trades. About 75%, 80% of the work we do is on prevailing wage work in transpo[rt]. So it was a no-brainer for us to jump in," he added.

New research finds Maryland leading the nation in reducing greenhouse gas emissions.

Environmental Protection Agency data show between 2005 and 2022, greenhouse gas pollution fell in 44 states and the District of Columbia. Maryland saw the largest reduction at 36%, followed by D.C., Maine, New Hampshire and Georgia. Only six states saw emissions increase.

Emily Scarr, senior advisor for the Maryland Public Interest Research Group, said the wide variation between states shows local policy matters.

"It's really evidence that states and regions have a lot of control on their greenhouse gas emissions," Scarr explained. "Showing ways that we can continue to reduce emissions, as well as showing warning signs of things that states do that can actually take us in the wrong direction."

The reductions nationwide are largely attributed to the retirement of many coal-fired power plants. Maryland has shuttered seven coal plants since 2012, with two still operating.

The report looks at emissions data from power generation, industry, transportation, agriculture, residential and commercial sectors. Maryland saw emissions reductions in every category except for the commercial sector, which includes commercial buildings, landfills and wastewater treatment centers. Scarr pointed out fossil-fuel-based winter heating is driving emissions in the commercial sector.

"The majority of those emissions are actually coming from heat for commercial buildings," Scarr observed. "That's a specific place where, if properly implemented, the Building Energy Performance Standards can start holding commercial building owners accountable."

The Maryland Department of the Environment will collect energy-use data from buildings larger than 35,000 square feet in 2025, to develop energy performance standards based on those numbers. The state has set a 2040 target for large buildings to have net-zero emissions.


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Community members in Seattle had a unique opportunity to weigh in on the policies guiding the city's climate goals.

In 2019, the City of Seattle passed the Green New Deal Resolution and Green New Deal Executive Order, with the goal of eliminating climate pollution by 2030.

To help guide that process, the initiative's oversight board supported community assemblies.

Peter Hasegawa is the organizing director at MLK Labor and co-chair of the Green New Deal Oversight Board.

He said the idea behind the community assemblies was to do deep listening with many different community members.

"To have the opportunity to present information and get feedback," said Hasegawa, "and have people think about solutions together over a longer period of time, was appealing to us because we thought we could get higher quality feedback."

MLK Labor and Urban League of Metropolitan Seattle hosted the assemblies.

The goal was to ensure that people on the front-lines had their voices heard, and were at the table as the city crafts policies going forward.

Faduma Fido is lab leader with the People's Economy Lab, which helped support the community assemblies.

She said they're piloting this type of engage at the city level because people are tired of going to listening sessions.

She said the assemblies provide a more empowering setting, with people compensated for their time and eating meals together. Fido said they want to bring democratic practices like these back.

"There's an appetite and willingness now to empower the citizens," said Fido, "empower communities to practice democracy beyond the ballot box, because often that tends to be very polarizing."

Hasegawa said they heard from a variety of people over the three sessions.

In the first, they heard about people's experiences being affected by extreme weather, such as the 2021 heat dome, and a freeze last winter that caused many people's pipes to burst.

In the second session, they heard about wins on the ground to protect people and workers from the effects of climate change.

Hasegawa said in the third, they brainstormed about what the city and local labor movement can do about climate change.

"In certain ways that ended up being the easiest session," said Hasegawa, "because there was a very high level of consensus that what workers in Seattle want is to be protected from extreme weather, they want to be protected from heat and smoke, and bursting pipes, and they want to be protected whether they work in a building or outside or in a home."




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