In the new process, air is channelled through a liquid to capture CO2. If the liquid is irradiated with light, the greenhouse gas is released again and can be collected (AI-generated symbol image). (Visualisation: ETH Zurich)
In the new process, air is channelled through a liquid to capture CO2. If the liquid is irradiated with light, the greenhouse gas is released again and can be collected (AI-generated symbol image). (Visualisation: ETH Zurich) Researchers at ETH Zurich are developing a new method to remove CO2 from the atmosphere. It involves molecules that become acidic when exposed to light. Their new process requires much less energy than conventional technologies. If we want to slow down global warming, we need to drastically reduce greenhouse gas emissions. Among other things, we need to do without fossil fuels and use more energy-efficient technologies.
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