Global warming: scientists want to send 200,000 billion euros worth of diamonds into space

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Global warming is is accelerating, and the traditional solutions that politicians around the world are granting are no longer enough. Scientists are now considering more radical methods to save our planet.

Among them, Injecting diamond dust into the atmosphere makes its way into research labs. This approach could reduce global temperatures by 1.6 degrees Celsius… if you pay the price.

A shower of diamonds to save the Earth

The principle is “simple”: disperse about five million tons of diamond dust each year in the atmosphere. These particles would act as a reflective shield, sending some of the sun’s rays back into space. The estimated cost? 200 trillion euros over 45 years. A pharaonic investment that would allow to keep global warming below the critical threshold of 2.7 degrees.

Unique properties that make diamonds shine

The researchers tested several materials in 3D simulation, including sulfur, which was considered the most promising candidate so far. The pulverized diamond stood out for its exceptional performance. Unlike other substances, diamond particles do not clump together in the atmosphere and remain suspended longer. Another advantage is that they do not turn into acid rain, a recurring problem with sulfur.

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Life sometimes makes you suffer

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Despite the diamond's remarkable qualities, Douglas MacMartin, an engineer at Cornell University, tempers the enthusiasm. Sulfur remains the most realistic option in this approach, as it is very cheap and easier to disperse by plane. Natural volcanic eruptions already offer a glimpse of its effects on a large scale, facilitating its study and potential implementation.

A study that opens new perspectives

This research, although seemingly far-fetched, contributes to a better understanding of the mechanisms of solar geoengineering. According to Shuchi Talati, founder of the Alliance for Just Deliberation on Solar Geoengineering, understanding fundamental particle physics is a crucial step before considering any concrete application.

The idea of ​​a sky sparkling with micro-diamonds remains, for now, in the realm of science fiction. But this study highlights the urgency of the climate situation and the need to explore all possible solutions, even the most audacious ones.

• Scientists propose injecting diamond dust into the atmosphere to cool the planet
• The project would cost 200 trillion euros over 45 years
• Sulfur remains the preferred option due to its ease of use and low cost

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