"The planet is heating up faster than expected. Greenhouse gas concentrations continue to rise at record rates, leaving the world off track to limit warming below 2 degrees Celsius (3.6 degrees Fahrenheit) above pre-industrial levels. The latest data shows 2025 was the third hottest year on record. That growing gap between climate targets and reality is fueling renewed interest in geoengineering interventions that intentionally alter the Earth's climate system."
"Among them is solar geoengineering, which aims to cool the planet by reflecting sunlight back into space. The technology remains largely experimental and could have far-reaching social, political, and environmental impacts if deployed at scale, according to scientists. Until recently, most solar geoengineering research was carried out by nonprofits and public research institutions, funded by governments and philanthropies. But that landscape is shifting."
Global heating is worsening and greenhouse gas concentrations are rising at record rates, leaving the world off track to limit warming below 2 degrees Celsius above pre-industrial levels. Data shows 2025 was the third hottest year on record. The growing gap between climate targets and reality is fueling renewed interest in geoengineering interventions that intentionally alter the Earth's climate system. Solar geoengineering aims to cool the planet by reflecting sunlight back into space. The technology remains largely experimental and could have far-reaching social, political, and environmental impacts if deployed at scale. Commercial startups such as Stardust Solutions and Make Sunsets have emerged and private investment into the field has increased, prompting concern about unregulated funding.
Read at www.dw.com
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