Delays and cost overruns challenge nuclear fusion project

The International Thermonuclear Experimental Reactor, a multinational project aimed at creating a clean energy source through nuclear fusion, faces significant delays and cost overruns, jeopardizing its future.

Robin McKie reports for The Guardian.


In short:

  • The International Thermonuclear Experimental Reactor (Iter), initially projected to produce energy by 2020, has faced delays due to COVID-19, cost overruns and design changes, with completion now pushed to 2039.
  • Critics warn that Iter, now costing over $25 billion, risks falling behind private companies pursuing faster fusion solutions.
  • Researchers remain hopeful about Iter's potential, particularly in generating tritium, essential for fusion, despite its challenges.

Key quote:

"The trouble is that Iter has been going on for such a long time, and suffered so many delays, that the rest of the world has moved on."

— Robbie Scott, UK Science and Technology Facilities Council

Why this matters:

Nuclear fusion holds the promise of providing a virtually limitless and clean energy source, which could significantly impact global energy sustainability. However, if Iter fails to meet its goals, the project's credibility and future funding could be at risk, potentially slowing progress in fusion research.

A thermometer pointing skyward towards a searing sun
Credit: VladisChern/BigStock Photo ID: 28738382

‘Supersizing before our eyes’: UN warns of record El Niño approaching

Event is likely to be largest in at least 1,000 years and will pile extra heat into a world already in a climate crisis.

Two coniferous trees silhouetted against a lightning filled night sky

Goodbye to the least apocalyptic Summer of the rest of your life

It’s been one disaster after another. And it may pale compared to what’s coming.
China renewable energy, wind and solar energy concept with wind turbines and solar panels
Credit: Anton_Medvedev/BigStock Photo ID: 431444246

China’s carbon pollution fell in recent months as oil demand plummeted

The world’s second-largest oil consumer cut its use by 9 percent as the Iran war crimped supply. The drop could accelerate China’s pivot away from the fossil fuel.
Bright red/orange sunset over water
Credit: silver-john/BigStock Photo ID: 15336368

A surge of marine heat waves threatens to scramble ocean life

Fueled by climate change and a strengthening El Niño, record-setting marine heat waves are gripping oceans worldwide and playing havoc with sea life.

Workers overlook the Enbridge Line 3 Oil Pipeline Construction Site in Minnesota forest with excavators and bulldozer.
Credit: scandamerican/BigStock Photo ID: 434053643

New Trump rules would limit state power to block pipelines, energy projects

At issue is a Clean Water Act provision that has long given states a role in decision-making on infrastructure that would affect streams and wetlands.
Confluence of Indus and Zanskar Rivers in the Himalayas

India rejects Hague ruling on Indus waters: What's next?

By rejecting an international arbitration panel's ruling, New Delhi has cast fresh doubt on the future of the 1960 Indus Waters Treaty.
A Bali stream flowing through a forest

As a Super El Niño looms, Indonesia’s crippling drought deepens

The country’s water crisis threatens drinking water and hydropower and worsens the risk of destructive fires.
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.