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Much attention today focuses on uncertainties affecting the future evolution of oil and natural gas demand, with less consideration given to how the supply picture could develop. However, understanding decline rates – the annual rate at which production declines from existing oil and gas fields – is crucial for assessing the outlook for oil and gas supply and, by extension, for market balances. The International Energy Agency (IEA) has long examined this issue, and a detailed understanding of decline rates is at the heart of IEA modelling and analysis, underpinning the insights provided by the scenarios in the World Energy Outlook. This new report – based on analysis of the production records of around 15 000 oil and gas fields around the world – explores the implications of accelerating decline rates, growing reliance on unconventional resources, and evolving project development patterns for the global oil and gas supply landscape, for energy security and for investment. It also provides regional insights

The Implications of Oil and Gas Field Decline Rates

Analysis and forecast to 2030

Focus on capital discipline, increasing customer centricity, and investments in new technologies may help companies navigate economic, geopolitical, and regulatory uncertainties in 2025

The 511 billion barrels reported is nearly double Saudi Arabia’s proven reserves and more than ten times the North Sea’s output over the last 50 years.

A study measured methane flow from more than 450 nonproducing wells across Canada, but thousands more remain unevaluated.

Metals and metalloids are ubiquitous in soils, originating from bedrock and from human activities and infrastructure. These compounds can be toxic to humans and other organisms, and their soil distribution and concentrations at global scale are not well known. Hou et al. analyzed data from more than 1000 regional studies to identify areas of metal toxicity and explore drivers of these trends. They estimate that 14 to 17% of cropland exceeds agricultural thresholds for at least one toxic metal.

His Royal Highness King Godwin Bebe Okpabi has carried bottles of water drawn from the wells of his homeland in the Niger delta to the high court in London. For the past three and a half weeks, lawyers for Shell have argued at the high court that their client cannot be held responsible for an environmental catastrophe in Ogale, which has suffered from decades of spills and pollution from oil extraction.

Thirteen of the ports with the highest supertanker traffic will be seriously damaged by just 1 metre of sea level rise, the analysis found. The researchers said two low-lying ports in Saudi Arabia – Ras Tanura and Yanbu – were particularly vulnerable. Both are operated by Aramco, the Saudi state oil firm, and 98% of the country’s oil exports leave via these ports.

Campaigners receive longest ever sentences for non-violent protest after being convicted of conspiracy to cause public nuisance

As an average citizen of the United States, one with no particular power over our political trajectory beyond my ability to vote and encourage others to vote, I have very little say in how our descent into a hotter, resource-depleted world will play out. This contrasts with how much I worry about that impending descent, its impact on my children and grandchildren, and its deep implications for the future of humanity writ large.

Depleted soil leads to reduced yields, forcing farmers to rely on fertilizers that raise food production costs, consumer prices.

A case in point: When Ecuador placed a windfall tax on foreign oil operations, French and U.S. companies filed claims—and were awarded more than $800 million.

Extreme heat affecting nearly 23m people across US south-west and pushing Texas’s electrical grid to the limit.

Misinformation by fossil fuel companies is slowing down the energy transition and global efforts to tackle climate change, warns the UN.

The Center for Climate Integrity (CCI) helps communities hold oil and gas corporations accountable for the massive costs of climate change.

From farmers to disaster survivors, new plaintiffs and progressing lawsuits are putting pressure on industry polluters.

Numerous prominent petroleum geologists have been warning for years about the resources limitations of oil both in the U.S. and globally.  It’s now looking like the wolf is nearing the door.

New research shows the company’s scientists were as “skillful” as independent experts in predicting how the burning of fossil fuels would warm the planet and bring about climate change.

Since the Paris Agreement in 2016, the world’s 60 largest private banks financed fossil fuels with USD $6.9 trillion. Nearly half – $3.3 trillion – went towards fossil fuel expansion. In 2023, banks financed $705 billion in fossil fuel financing with $347 billion going to fossil fuel expansion alone.