DECRYPTION – To compensate for the global increase in CO2 and avoid the worst, the temptation is great to turn to so-called unconventional technical solutions.
Humanity has been engaged in a race for several years to try to stop climate change, caused by emissions of greenhouse gases, CO2 on your mind. But, despite the efforts launched in many countries to replace fossil fuels with low-carbon energy sources (nuclear, renewables, etc.), global warming is accelerating, and threatens to have increasingly catastrophic consequences for populations. and ecosystems.
In this context, the temptation is great to avoid the worst to turn to so-called unconventional technical solutions, gathered under the name of geo-engineering. Two approaches coexist. The first is to try to reduce the rate of CO2 in the atmosphere, capturing it by natural or artificial means. The second approach, solar geoengineering, aims to lower global temperatures by reflecting some of the solar radiation back into space.
• Fertilize the oceans to increase phytoplankton production
The oceans are believed to contain…
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