Climate Crisis - Can High-Tech Save the Planet?
Can high-tech solutions help protect the climate? What would be the side effects of further human intervention in nature? Attempts are being made to reduce the CO2 in the atmosphere with technical solutions. For example, new carbon capture technology that can extract CO2 from air and water, even if the amount currently captured is minimal and not enough to prevent the climate crisis and its consequences. Still, there is no shortage of ideas. Adding basalt rock dust to agricultural fields not only binds carbon dioxide but keeps the soil fertile. Biochar, made from organic waste, has a similar effect. Some ideas are bolder: A protective screen of particles in the upper layers of the atmosphere could filter sunlight, as seen with the eruption of the Pinatubo volcano in the Philippines in 1991. The millions of tons of sulfur dioxide spewed into the stratosphere cooled the earth significantly. Theoretically, aircraft could be used to deliver the particles. But experts warn that the consequences for humans and the weather would be felt worldwide and could never be fully controlled. Broadcasting Hours: DW English MON 12.06.2023 18:15 UTC MON 12.06.2023 23:30 UTC TUE 13.06.2023 03:30 UTC TUE 13.06.2023 09:15 UTC TUE 13.06.2023 12:30 UTC TUE 13.06.2023 21:30 UTC WED 14.06.2023 07:30 UTC WED 14.06.2023 10:30 UTC Lagos UTC +1 | Cape Town UTC +2 I Nairobi UTC +3 Delhi UTC +5,5 | Bangkok UTC +7 | Hong Kong UTC +8 London UTC +1 | Berlin UTC +2 | Moscow UTC +3 San Francisco UTC -7 | Edmonton UTC -6 | New York UTC -4 DW Deutsch+ TUE 13.06.2023 09:15 UTC WED 14.06.2023 07:30 UTC Vancouver UTC -7 | New York UTC -4 | Sao Paulo UTC -3