Scientists use sunlight and modified sawdust to reversibly capture carbon dioxide

According to the World Meteorological Organization, greenhouse gas concentrations have reached a record high. In the case of carbon dioxide (CO2),the growth in 2020 exceeded the average for the last decade; despite a 5.6% drop in fossil fuel CO2 emissions driven by COVID-19 restrictions. This continued rise in CO2 concentration is directly linked to our massive consumption of fossil fuels.

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