BY THE OPTIMIST DAILY EDITORIAL TEAM

For decades, climate action skeptics have waved a tired argument: you can’t grow the economy and cut carbon emissions at the same time. But a new report suggests that narrative may be heading for retirement. In fact, a global shift is well underway, and it’s flipping that assumption on its head.

According to fresh data from the Energy and Climate Intelligence Unit (ECIU), more countries than ever are growing their economies while shrinking their carbon footprints. And no, it’s not just a fluke or a one-off COVID blip. It’s a real, sustained trend.

Drawing on the 2025 Global Carbon Budget and a newly refined classification system, the report examined 113 countries covering more than 97 percent of global GDP and 93 percent of emissions. Based on this, researchers are concluding that decoupling is now the “norm, not the exception.”

“We’re sometimes told that the world can’t cut emissions without cutting growth,” said John Lang, one of the report’s authors and Net Zero Tracker Lead at ECIU. “The opposite is happening.”

What exactly is decoupling?

Let’s break it down. Decoupling refers to breaking the historic link between economic growth and rising emissions. It comes in two main flavors:

• Absolute decoupling: emissions go down while GDP goes up. This is the gold standard.
• Relative decoupling: emissions still rise, but slower than GDP.

There’s also recoupling, which is the less ideal scenario where emissions and GDP both rise, or worse, emissions rise while GDP falls. Thankfully, that’s getting rarer and usually pops up during major economic shocks (such as the pandemic years).

The Intergovernmental Panel on Climate Change (IPCC) has historically called global-scale absolute decoupling “controversial.” But this new analysis suggests that it’s not just possible, it’s already happening, and at a growing pace.

Who’s walking the decoupling talk?

Between 2015 and 2023, nearly half of the global economy (46 percent of GDP) achieved absolute decoupling. That’s a whopping 38 percent increase compared to the decade before the Paris Agreement.

In total, 92 percent of the global economy and 89 percent of global emissions are now found in countries that have either relatively or absolutely decoupled.

The ECIU sorted countries into three categories:

• Consistent decouplers: Nations that achieved absolute decoupling both before and after the Paris Agreement.
• Improvers: Countries that didn’t manage it before 2015, but did between 2015 and 2023.
• Reversals: Places that had previously decoupled but have since backslid.

Europe leads the decoupling charge

Unsurprisingly, Europe is doing much of the heavy lifting. The list of consistent decouplers includes a solid lineup: Austria, Belgium, Czechia, Denmark, Finland, France, Germany, Ireland, the Netherlands, Norway, Poland, Spain, Sweden, and the UK, among others.

Notably, this report used consumption-based emissions data, meaning it accounted for carbon footprints of imported goods, not just what’s emitted domestically. That sidesteps the common criticism that wealthy countries just “offshore” their emissions by outsourcing production.

Some countries made solid progress post-2015, like Italy, Portugal, Switzerland, and Greece, earning them the title of “improvers.” Meanwhile, Latvia, Lithuania, and Slovenia slipped into the “reversal” camp.

And yes, some of the biggest emissions drops in proportional terms happened in Western Europe, including Norway, Switzerland, and the UK.

Net zero is more than a climate goal—it’s an economic strategy

The decoupling trend isn’t just good climate news but a powerful economic signal. According to Gareth Redmond-King of ECIU, the clean energy sector is already outpacing the fossil fuel industry in global employment, while net zero industries are growing three times faster than the economy overall.

“The momentum built by the Paris Agreement is unstoppable,” Redmond-King said, adding that net zero remains the “only solution to halting ever more costly and dangerous impacts.”

Even with global emissions still rising, albeit more slowly, the report’s authors argue that the underlying structural change is unmistakable. And with more countries joining the decoupling club, the once “controversial” idea of green growth is now grounded in evidence.

A climate myth bites the dust

The old assumption that climate action must come at the expense of economic growth is looking increasingly outdated. While challenges remain and not every country is hitting absolute decoupling just yet, the overall trajectory is clear.

More economies are proving that it’s entirely possible to scale up prosperity while scaling down emissions. And that might be one of the most hopeful climate shifts we’ve seen in a long time.

Editor’s note: An observant reader brought to our attention that while the ECIU report highlights evidence that many countries have grown GDP while reducing CO₂ emissions, a large peer-reviewed systematic review finds that results can vary depending on emissions accounting and timeframes. More evidence for absolute decoupling at the scale and speed needed for climate goals is still needed (Haberl et al. 2020, Part I and Part II).

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