US And European Scientists Delay Controversial Solar Geoengineering Experiment To Cool Planet

  • US and European scientists have called off a controversial balloon test flight that was to take place in Sweden’s far north in June, part of a disputed solar geoengineering experiment to artificially cool the planet. The project has been dubbed SCoPEx, short for “Stratospheric Controlled Perturbation Experiment”.
  • A team of Harvard scientists had been planning to launch a high-altitude balloon from the Esrange Space Station in the Swedish town of Kiruna, to test whether it could in future carry equipment to release solar radiation-reflecting particles into the Earth’s atmosphere.
  • Mimicking the effect of volcanic eruptions, the project’s supporters say the technology should be studied to see if it could become a method of combatting global warming. But the project, like geoengineering itself, has raised concerns among both scientists and environmentalists who say the technology is dangerous and risky.

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