Unexpected temperature spike raises concerns among climate experts

Climate scientists are grappling with a sudden, unpredicted surge in global temperatures, which may signal a shift in the Earth’s climate system.

Jonathan Watts reports for The Guardian.


In short:

  • A recent 13-month temperature spike has outpaced global heating predictions, leaving scientists uncertain.
  • Experts are concerned this could indicate a fundamental change in the climate system, not just a temporary anomaly.
  • Scientists are particularly alarmed by the potential loss of Earth's albedo, reducing the planet's ability to reflect heat.

Key quote:

“As climate change continues, every decade it gets warmer, the impact is larger and the consequences are greater.”

— Gavin Schmidt, director of NASA Goddard Institute for Space Studies

Why this matters:

Unexpected shifts in climate patterns suggest we may be underestimating the speed and severity of global warming. The inability to predict such changes could hinder effective policy responses to future climate crises.

Related coverage:

Climate change is accelerating health threats worldwide

Climate change is accelerating health threats worldwide

The Lancet Countdown - established in 2016 to annually assess the effects of climate change on health - released a ten year report and accompanying editorial.


In short:

  • For the first time, the report quantifies heat-related deaths attributable to climate change, estimated at about 370,000 a year. The past 11 years have been the hottest ever recorded.
  • The report examined 54 indicators of climate change-driven health impacts and found that many health threats had increased or accelerated over the past decade.
  • Populations least responsible for climate change are experiencing the highest impacts.


Key quote:

“Over the past 10 years, a strong evidence-based case has been made that responding to climate change could be the greatest health opportunity of the 21st century.”



Why this matters:

The report points out how fossil fuel interests are blocking progress on climate change. It tracks not only heat-related deaths, as mentioned above, but also other climate related effects on health caused by floods, landslides, droughts, viruses, and more. It also tracks improvements, for example, estimating that the transition to clean energy prevented 400,000 deaths in 2023 just through improved indoor air quality. Health professionals are trusted sources of information and can speak for policy change and action for a healthier future.


Related EHN coverage:


More resources: The Lancet Countdown on health and climate change


Source:

Romanello, Marina et al. (2026), The 2026 report of the Lancet Countdown on health and climate change: a decade of escalating health harms and a decisive moment for all. The Lancet.

Related editorial, Climate change and health: 10 years on, what next? The Lancet.

A tornado coming through a field with blue mountains in the background

Climate change and tornadoes: what the science says

Climate change and tornadoes have a complicated relationship, and these 10 points explain what researchers know about tornado trends, shifting risk and why the record is hard to read.

The silhouette of a person on a stand-up paddleboard next to a bunch of mangroves

A report says nature-based solutions could be answer to climate change issues

A recent report recommends nature-based solutions as part of New Mexico's response to climate change issues.
A small leopard in the middle of the jungle

The Tropical Forest Forever Facility  rainforest fund needs billions before it launches

The TFFF rainforest fund aims to make forest conservation more profitable than deforestation. But a lack of money may prevent it from getting off the ground.
Heavy flooding from monsoon rain and tide from river in Dohar Bangladesh
Credit: sohelparvezhaque/BigStock Photo ID: 141461279

El Niño will increase risk of death in childbirth for millions, say midwives

Effects of extreme weather expected in countries that already have high maternal and newborn death rates.

Data center giving the appearance of newly constructed and empty of personnel

Climate funders convened a data center forum. They triggered a reckoning

One of the country’s biggest climate funders tried to bring tech giants, green groups, energy associations and labor unions together on data centers. Now it’s become the target.

Illustration of sun beating down on an overheating Earth
Credit: revers/BigStock Photo ID: 398245823

Global warming remains unchecked, experts warn at UN’s COP31 climate summit

Current climate and energy policies will have devastating consequences for ecosystems and communities worldwide, new reports show.
From our Newsroom
Multiple Houston-area oil and gas facilities that have violated pollution laws are seeking permit renewals

Multiple Houston-area oil and gas facilities that have violated pollution laws are seeking permit renewals

One facility has emitted cancer-causing chemicals into waterways at levels up to 520% higher than legal limits.

Regulators are underestimating health impacts from air pollution: Study

Regulators are underestimating health impacts from air pollution: Study

"The reality is, we are not exposed to one chemical at a time.”

Pennsylvania governor Josh Shapiro speaks with the state flag and American flag behind him.

Two years into his term, has Gov. Shapiro kept his promises to regulate Pennsylvania’s fracking industry?

A new report assesses the administration’s progress and makes new recommendations

silhouette of people holding hands by a lake at sunset

An open letter from EPA staff to the American public

“We cannot stand by and allow this to happen. We need to hold this administration accountable.”

wildfire retardants being sprayed by plane

New evidence links heavy metal pollution with wildfire retardants

“The chemical black box” that blankets wildfire-impacted areas is increasingly under scrutiny.

Stay informed: sign up for The Daily Climate newsletter
Top news on climate impacts, solutions, politics, drivers. Delivered to your inbox week days.