From PVcase:
Harvard University reports engineering strategies, including solar radiation management, carbon dioxide removal, and ocean fertilization, that can help combat climate change. Many of these solutions are worth considering, especially when you think about the “widespread and rapid” changes in climate that are actively happening each day. These proposed approaches show promise. But they don’t come without risks. Some strategies could have unintended consequences, such as disrupting local weather patterns or ecosystems. There are also concerns about ethical and governance issues with a few of these strategies, like who would be responsible for implementing and regulating these large-scale interventions.
Ambient carbon capture removes carbon dioxide from the air. According to the IEA, once captured, the CO2 can be stored either geologically or biologically. One of the most common methods is called Direct Air Capture (DAC), which uses large machines to suck in air and filter out CO2. Once that’s captured, it can be stored underground or used in other applications.
More here.
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