Measure methane leaks from oil and gas sites with satellites, publish them site by site, and make owners fix them on time
Steps to make it happen
- Oil and gas sites sometimes leak an invisible gas called methane.
- People use satellites, airplanes, and machines on the ground to measure where and how much gas leaks.
- The results are made public for each site so that anyone can see them.
- When a big leak is found, the owner is told right away and must fix it by a set date.
- Sites must stop letting gas out into the air or burning it on purpose, except for safety.
- Countries that buy gas buy from sellers who measure their leaks properly and cut them.
- Countries that lack tools or money get help from other countries to measure and fix leaks.
- Fixing leaks as soon as they are found becomes normal everywhere in the world.
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The proposal in detail
This proposal covers methane that comes from places that handle fossil fuels: oil and natural gas drilling, pipelines and storage facilities, and coal mines. Methane from cow burps, rice paddies, and landfills is treated as a separate issue here, because the ways to reduce it are very different. The plan rests on three pillars. The first is measuring. Operators must actually measure the emissions from their own sites and report them, and separately, an agency independent of the operators checks using satellites, aircraft, and measuring devices on the ground. If the reported numbers and the outside observations differ greatly, the operator is asked to explain. The second is publication and repair. Observation results are published for each site, and when a leak above a certain size is found, the owner is notified within a short, fixed period and must finish the repair by a set deadline. Operators who miss the deadline, or who repeat the same leak again and again, face measures such as fines and limits on new development permits. Except for releases that cannot be avoided for safety, routinely letting surplus gas out into the air or burning it off is also banned. Old wells left behind after mines or fields were closed are also made the responsibility of their former owners, as long as those owners can be identified. The third is trade. As a rule, countries and companies that import gas buy from sellers who measure leaks from production to transport by a common method and make the results public. For countries that lack measuring equipment or technicians, observation data is shared free of charge, and repair skills and costs are supported internationally.
BenefitsReady-to-use technology can slow warming in the near future
The big advantage of this proposal is that it can deliver climate results quickly with technology we already have, without waiting for new inventions. Finding and fixing leaks is plain, steady work, such as tightening pipe joints or replacing old valves. Much of it costs relatively little, and in some cases the gas that is no longer lost can be sold to earn the cost back. Because methane warms so strongly, cutting it also shows its effect relatively soon, which buys time while cutting carbon dioxide takes longer. When figures for each site are made public, there is no need to simply accept what operators report about themselves, serious operators get fair credit, and those who cut corners stand out. A system in which buyers choose whom to buy from pushes operators who want to export to take action, even if their own country has no rules. In addition, places where methane leaks often release other substances that are bad for health, so people living near the sites can also be expected to get cleaner air as a side benefit.
DrawbacksIt may prolong fossil fuels and clash with national sovereignty
One important point from those who oppose the proposal is the worry that presenting natural gas with fewer leaks as a clean fuel could actually slow the shift away from fossil fuels. Money and attention may flow to leak control, and discussion of moving to renewable energy and of producing less fossil fuel may be pushed aside. Another issue is national sovereignty and fairness. Publishing detailed information about energy sites through outside observation raises security concerns, and some countries will refuse to accept it. Imposing standards as a condition of import could shut small operators in countries short of money and technology out of the market, and could become a trade barrier in practice. There may also be a backlash: rich countries emitted heavily in the past, and it is unfair to impose strict conditions now on countries that want to develop. On the technical side, satellite observation is affected by weather and terrain, and small leaks may be missed or false detections may occur, so penalizing operators on uncertain data could become a source of disputes. The cost of monitoring and repair may also end up passed on to users in the form of higher energy prices.
Learn the background
Discussions of climate change tend to center on carbon dioxide, but methane is also a major cause. Methane stays in the air for a relatively short time, but while it is there it warms the Earth far more strongly than carbon dioxide does. For this reason, cutting methane is thought to slow warming quickly over the next few decades, a relatively near future. Leaks from fossil fuel sites in particular can often be found and fixed with technology that already exists, and stopping a leak also means gas that could have been sold is no longer wasted. Even so, leaks have continued because they are invisible, and no one outside could tell who was releasing how much. Because the system has relied on operators reporting for themselves, surveys in various places have pointed to cases where actual emissions were far above what was reported. In recent years, satellites and other tools have made it possible to spot large leaks from space, and we have entered an age when anyone can check a problem that used to be hidden. The challenge is that there is not yet a system that turns this new tool into action, repair, instead of stopping at finding leaks.
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This proposal was written in Japanese by AI (claude-opus-5-5, policy version 2026-10-15d) and translated by AI (claude-sonnet-5-5). Nobody has checked the facts. Read the original (日本語) How the AI writes