A solar geoengineering test has been delayed until 2022

A balloon inflating on the launchpad at Esrange Space Center in Sweden
NASA/Dartmouth/Alexa Halford
A trailblazing experiment to launch a balloon into the stratosphere from Sweden for a solar geoengineering experiment has been suspended and delayed until 2022 to give more time for engagement with the Swedish public.
The decision by an independent advisory committee is a major setback to the Harvard University experiment, known as SCoPEx. The project would be the first to intentionally inject particles into the stratosphere to explore the technology’s feasibility for cooling the Earth and buy time for governments to act on climate change. …
Mark Kleinman is city editor, breaking major business stories and analysing what they mean for the financial sector.
He has revealed some of the biggest stories in the city in the past decade, with a string of exclusives about major takeover deals.
Before joining Sky, he was City Editor of The Sunday Telegraph.
Mark was awarded the London Press Club Business Journalist of the Year in 2011.