Manage environmental harm by a cap on the total the Earth can absorb, not by gains in efficiency
Steps to make it happen
- Scientists study air, water, forests, and living things to find the limits beyond which things become dangerous.
- Each year, people are told clearly how much humanity is using compared with each of those limits.
- Each country or region receives a guide to how much it can use and makes plans that fit inside it.
- Success is checked by whether the total amount went down, not by whether waste per item went down.
- Before starting new development in a field already over its limit, people must first arrange a cut somewhere in that same field.
- Rich and poor countries compare their situations and talk together to decide how the shares are divided.
- Living within the Earth's limits becomes normal in every country.
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The proposal in detail
This proposal is a principle that changes the yardstick of environmental policy from how much the harm per unit has been reduced to whether the total harm fits within what the Earth can absorb. It covers the main areas that shape the condition of the whole planet: greenhouse gas emissions, land changes that turn forests and grasslands into farmland and cities, water taken from rivers and groundwater, runoff of nitrogen and phosphorus from fertilizer, the release of chemicals, and the extraction of resources such as minerals and timber. A group of scientists independent of any country's government sets out the range considered safe for each area, along with the margin of uncertainty, and reviews it every few years using the latest knowledge. Where the range is unclear, a larger safety margin is kept. The totals that are set are divided into regional guides through international talks, and those talks take into account how much harm each has caused in the past, the current standard of living, and the amount needed for basic life. Each society's policies and projects are judged by whether the total rises or falls, not by efficiency figures, and if efficiency improves but the amount used grows and the total does not fall, it does not count as success. Cutting harm in one area is also not allowed to be a reason to increase harm in another, for example clearing forest in order to cut emissions. However, basic needs of the poorest people, such as food, water, and minimum energy, are secured first.
BenefitsClear goals, and no more improvement that only looks good
Using a cap on the total as the yardstick lets us directly answer the question we really want answered: are we getting closer to a state that is safe for the Earth? Efforts that only look green, showing efficiency figures to seem caring about the environment, will have a hard time passing, and it becomes easier for society as a whole to share what is lacking and by how much. Because climate, living things, water, and resources are treated with the same way of thinking, we can check whether one measure is pushing harm onto another area, and so prevent problems from just being shifted around. Businesses can also see how far they will need to cut their harm in the future, which makes it easier to decide the direction of long-term investment and technology development. In addition, because people must face the question of how to divide a limited total, fairness between rich and poor regions, a point that has tended to be put off, is placed at the center of the debate. If the cap is kept, the chance rises that we can hand a livable Earth to generations not yet born.
DrawbacksIt may hold back poor countries, and deciding the shares causes fights
The point that opponents press hardest is that a cap on the total may restrict the right to develop of countries and people who are only now trying to become wealthy. Many people strongly feel that it is unfair for rich countries to have developed without worrying about limits while only the countries growing now have a ceiling placed over them, and even with a carefully designed division this may not be fully resolved. Also, setting the Earth's limits precisely is scientifically difficult, and when a range of estimates is boiled down to a single number, the judgment of experts has a large effect. There are also doubts about people who were not elected effectively deciding the ceiling on our lives and economies. Because each country's interests collide head-on over how to divide the total, agreement is extremely hard, and even if one is reached, the world has no way to force a country that does not follow it. Moreover, if the cap is enforced strictly, it could stop even trials of new technology and businesses that create jobs, and through higher prices and unemployment it could end up making life harder for people in weak positions. There is also a worry that refusing to count efficiency gains as success would weaken the drive to improve.
Learn the background
Most environmental measures so far have focused on lowering the harm per unit, such as a car's fuel economy or a factory's emission efficiency. Technology has certainly advanced, but the amount of products and services has grown even faster, so the total load on the whole Earth has hardly gone down. It is also well known that when efficiency improves, prices fall and people may end up using more. Furthermore, problems such as climate change, the loss of living things, water shortages, and pollution are tangled together, and there are cases where trying to solve one makes another worse. For example, forests are sometimes cleared to grow crops for fuel. In science, it has been pointed out that there are several limits within which the Earth's systems stay stable, and that some of them may already have been crossed. At the same time, there is an imbalance: much of the harm is created in rich regions, while the damage falls heavily on poor regions. There is a growing need to reconnect measures that have moved separately by field and by country, using one shared view, the total amount for the whole Earth.
Choose them ready to accept their drawbacks too (up to 5)
It helps pay for the server and the AI's planting
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