Can Asteroids and Geoengineering the Stratosphere Save the Planet? UCT_news: SouthAfrica
As part of a series of virtual engagements, University of Cape Town Vice-Chancellor Professor Mamokgethi Phakeng unpacked eco-regeneration and geoengineering with experts as possible solutions to save our planet from global warming and ecosystem disruption. The talk is part of a weekly series themed"Use the science of the future to shape your present" and is being held at the invitation of the Switzerland-based 'think and do tank' Geneva Science Diplomacy Accelerator .
Dr Romaric Odoulami, Carnegie research fellow at the ACDI, said the ideas for solar geoengineering came from nature and observations of the effects of active volcanoes. He added:"If we switched on geoengineering, and then had to switch it off because of a failure, all the warming would come back quickly. This rapid shock from a failure could cause thousands of species to go extinct because we would have rapid climate changes within a decade."
"The asteroid belt is between Mars and Jupiter - this is an interesting resource of metals, minerals and water ... The motivation to look to the asteroid belt as a source of metals and minerals is because we cannot continue to harvest resources on Earth the way we do. Mining is one of the ways we contribute to the disruption of ecosystems," said Dr Marais."Much of the water on our planet was delivered from space via asteroids and comets.
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