The rising presence of carbon dioxide in the atmosphere is not a new problem and it is widely known. Last year in 2019, a new record amount of carbon dioxide was recorded in the atmosphere at around 409 ppm, and it will be increasing every year if past trends continue. Carbon dioxide emissions have also been increasing every year with an increase of approximately 12 billion tons of emissions over the period of 1990 to 2020 .
The good news is that many researchers have exploited the fact that carbon dioxide is a very useful precursor in the production of more sustainable fuels, which can address not only the emissions issue but also the issue of the sustainability of fossil fuels.
This article highloghts some recent examples of innovations using catalysis or other methods to convert carbon dioxide into fuels.
There have been some cases where the conversion of carbon dioxide to fuel has been carried out using bacteria. In one example from Columbia University, a type of bacteria called N. europaea uses energy from ammonia and carbon dioxide to make liquid biofuels inside of a reverse microbial fuel cell (R-MFC).
Usually, biofuels would be made from...
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