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Cities Race to Slow Climate Change—and Improve Life for All

Looking back on it, 2019 was the year the “climate emergency” was declared, and while many countries have responded to the call, the movement to put out the fire has, in many ways, been led by cities. Over 1,200 local governments around the world have now signed the Climate Emergency Declaration. And in October, many of the world’s most influential mayors announced their support for a global Green New Deal. These mayors are members of C40, a network of 94 large cities—Paris, Los Angeles, Shanghai, Lagos, to name a few—committed to meeting the goals of the Paris Agreement of limiting global warming to 1.5 degrees Celsius over preindustrial levels and reducing global greenhouse gas emissions by 50 percent by 2030.

That declaration didn’t just reaffirm these cities’ efforts to fight climate change. It placed social and economic justice at the heart of that work, pledging to help alleviate poverty and calling for an inclusive and “just” transition for the populations most affected by climate change.

This was a nonbinding statement but nonetheless reflective of a profound shift in the urban narrative around climate change that no longer sees environmental sustainability as disconnected from human rights. “The mayors of the 94 most influential cities in the world are increasingly seeing climate and equity issues as connected," says David Miller, C40’s North America director. While action is to a large degree dependent on national policies, cities can do plenty. By implementing low-carbon measures, they could cut urban emissions in key sectors by almost 90 percent by 2050, according to the Coalition for Urban Transitions.

Of the 184 countries that have published climate goals tied to their participation in the Paris Agreement, only 20 percent have been deemed sufficient to reach the 1.5 degree target, according to a report from the Universal Ecological Fund. By contrast, C40 cities have drafted climate action plans that are as ambitious, if not more so, than the accord’s targets. Copenhagen is working to become the world’s first carbon-neutral city by 2025. New York City aims to reduce its emissions by 80 percent in the next 30 years. Toronto wants all vehicles riding within its city limits to use low-carbon energy by 2050.

Cities, after all, are on the front line of climate change. They’re responsible for 75 percent of global carbon emissions, and their leaders are well positioned to tackle the problem, says Leah Lazer, a research analyst at the Coalition for Urban Transitions, a cross-sector initiative that helps national governments drive progress toward sustainable cities. “City governments are closer to their citizens and their experience and can more easily tap into public sentiment in a way that can be harder for national governments,” she says. They’re also able to act faster and innovate on climate change mitigation at a smaller scale.

Many of those actions focus on transportation. London wants its taxis and ride-share vehicles to go emission-free by 2033. Medellín is piloting zero-emission zones through its downtown core. Oslo is working toward making its public transport entirely emission-free by 2028. Seattle is considering setting up congestion pricing, and New York City is moving forward with its own road pricing scheme.

But C40 mayors aren’t contenting themselves with ambitious targets. They now say planning should take into account how urban planning and climate intersect with well-being. The group’s chair, Los Angeles mayor Eric Garcetti, says member cities will now systematically engage civil society groups, business communities, and labor unions in climate planning. His plan to decarbonize the ports of Los Angeles and Long Beach acknowledges that emissions from diesel-fueled ships and vehicles primarily impact low-income communities of color nearby, whose residents suffer higher rates of cancer and respiratory diseases.

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Oakland, California, has drafted an Energy and Climate Action Plan that includes some of the country’s most ambitious goals—a 36 percent greenhouse gas reduction from 2005 levels by 2020 and an 83 percent reduction by 2050—by engaging grassroots groups and reaching out to the communities most affected by emissions coming from freeways, ports, airports, and rail yards. The city now evaluates the impact of each sustainability initiative on vulnerable communities, as interventions that seek to improve transport infrastructure tend to drive up housing prices and can lead to displacement.

By engaging local groups in this way, municipalities can shape climate plans that are rooted in the needs of communities and therefore are more likely to succeed. It gives residents a say in decisions that will affect generations to come. It’s also a departure from the narrative around climate change, which has centered on fear for decades, and from the traditional top-down approach to urban planning. “We've spent, collectively, a really significant amount of time telling people what to be worried about, but we haven't spent enough time talking about the kind of future people want,” Miller says.

But while large cities like Oakland and LA can launch ambitious climate action plans, smaller municipalities struggle to access the resources they need to meet their carbon emission goals. And regardless of their size, most cities are limited in what they can achieve. That’s because national governments hold control over much of the policies and funding that affect city planning. They shape energy policy, provide funding for transportation infrastructure, and influence housing affordability through tax incentives and funding for social housing. Promoting the use of electric vehicles is one thing, but residents must be able to tap into a stable, affordable supply of electricity, which usually doesn’t fall under a city’s remit. “There are many great things that cities can do on their own,” Lazer says. "But if cities and national governments collaborate, it really opens up the full potential to make urban transportation more sustainable."

While climate remains a partisan issue in some countries—think of Brazil president Jair Bolsonaro’s defense of deforestation in the Amazon—sustainability is being embraced by mayors across party lines. That tension is perhaps most visible in the US, where 438 US mayors have committed to adopt the goals of the Paris Agreement, despite President Trump’s withdrawal from the deal. And two US-based coalitions of mayors, the Leading Together 2020 Cities Agenda and the Mayors’ Vision for America, have issued platforms that include sustainable infrastructure and inclusion, hoping to influence the tenor of the presidential election campaigns.

All of which means that 2020 will be a pivotal year to take action. It’s when carbon emissions must peak in order to keep global warming below 1.5 degrees. Countries that have signed the Paris Agreement have promised to submit new and enhanced carbon-cutting pledges by the end of the year, and C40 cities are expected to come up with their own inclusive climate action plans in line with the agreement. “I'm pretty confident that behind the narrative of the emergency,” says Philipp Rode, who heads the London School of Economics’ LSE Cities center, “we will see cities that are going to propose and maybe also push through measures they would have not dared to address even three years ago.”

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