The goal of limiting global warming to below 1.5°C above pre-industrial levels is largely out of reach. That’s according to the United Nations Environmental Program’s (UNEP) 2026 Emissions Gap report released on Wednesday, considered the definitive assessment of global climate action.
“We’ve spent decades postponing cuts to emissions and now we’re facing the consequences,” Anne Olhoff, director of the UNEP-Copenhagen Climate Centre, and one of the report’s authors, said after the report’s publication. “The world can still attain the goals of the Paris Agreement but we must work hard to not only meet but surpass our most ambitious climate targets. The longer we wait, the larger the risk that we jeopardize the temperature goal.”
While the report’s warning is stark, that doesn’t mean that all hope is lost. Coordinated efforts to reduce emissions can still have a meaningful impact on climate change, it says—but action must be taken quickly.
Here are the biggest takeaways from the Emissions Gap report.
The 1.5°C target is mostly out of reach
Under the 2015 Paris Agreement, the world agreed to halt planetary warming at 2°C above pre-industrial temperatures and to pursue efforts to limit warming by 1.5°C. Doing so would provide a greater chance at avoiding the worst impacts of climate change. The window to avoid overshooting the 1.5°C goal, however, is now closed, the report finds.
But that doesn’t mean that there’s no hope for climate action. It is still possible to limit the overshoot and bring temperatures back below 1.5 degrees by the end of the century. Every fraction of a degree of warming above 1.5°C increases climate impacts, making the goal to limit as much warming beyond 1.5°C all the more important.
The world is on track to reach 2.8°C of warming by 2100
Under the terms of the Paris Agreement, countries must submit updated climate pledges, known as Nationally Determined Contributions (NDCs), which outline specific goals to reduce national emissions. Based on the policies currently in place under the NDCs submitted by over 150 nations, the planet is on track to reach 2.8°C of warming by the end of the century.
Based on this, today’s report concludes that global climate pledges are falling short. If countries meet their new NDCs, which set upgraded targets for 2035 and were due last year, global warming is still projected to reach 2.6°C by the end of the century.
Both scenarios would have devastating consequences—dramatically transforming sea levels and ecosystems, and triggering compounding climate extremes such as higher temperatures and drought, increasing the likelihood of wildfires.
We need to cut carbon emissions by 18% in the next four years
The report notes that it is still possible to peak warming at 1.7°C or 1.8°C. Doing so would require major changes. We would need to cut emissions by 18% by 2030, 45% by 2035, and 69% by 2040, relative to 2025 levels. This would require sustained emissions cuts along with carbon dioxide removal.
“Every additional fraction of a degree and additional year of warming above 1.5°C increases climate impacts and risks, such as the deadly floods, heat waves, and wildfires that have plagued many nations this year,” said UNEP executive director Inger Andersen. “So, we must pull out all the stops to minimize peak warming and return to 1.5°C by the end of the century.”
The U.S. is a major outlier for emissions
While emissions growth has slowed down in most G20 countries, emissions in the United States “far exceeded that of all other countries,” the report says. That’s due to the increased electricity demand, in part due to data centers, and new policies that encouraged the use of fossil fuels like coal over clean energy sources.
The report includes a statement from the State Department, noting that the U.S. “does not endorse or agree with its analysis or conclusions, and has not provided comments to this report.”
The Trump Administration’s decision to withdraw from the Paris Agreement also worsened the climate projections, as estimates no longer include climate action that would have been taken under the United States’s NDC targets.
The U.S. is the second largest emitter of climate-warming greenhouse gases, behind China, which has quickly become a world leader in renewable energy (while also ramping up coal production.)
Climate policies are reducing emissions
Since the adoption of the Paris Agreement just over a decade ago, global renewable electricity capacity has grown three times faster than anticipated, while solar PV build-out has increased seven times faster. If these trends were to continue, and coupled with more policies to support clean energy, the world would be on track to reach its renewable energy goals.
The report examined more than 200 climate policies and found that they target emission reductions across a wide range of sectors and countries. That’s an encouraging sign the report notes. All that’s left is for these solutions to be scaled faster.
“We have a wealth of success stories showing that emissions can be cut quickly,” said Andersen. “It is now up to nations to urgently put in place policies that spark fast, deep and sustained emissions reductions, and put the world on track for a more stable climate and more stable economies and societies.”
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