Made out of thin air

The world has experienced a lot of extreme weather this year due to climate change, which carbon emissions are believed to be most responsible for. 【小题1】

Meat made from air

It is hard to imagine that food consisting of protein could be produced from CO2, but that is exactly what Solar Foods is working on. To create the protein, the company uses renewable energy to split water cells into hydrogen and oxygen. 【小题2】 This is fed to microbes(微生物), which in turn create an eatable food, according to science website Futurism. This process makes alternative protein 100 times more climate- friendly than other sources of protein, the company said.

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What about wearing a pair of shoes made of carbon emissions? On Running, a Swiss sports shoe brand, is trying to make foam(泡沫) for its shoed from captured carbon. In November, it announced it was teaming up with US-based company LanzaTech to make ethanol(乙醇) out of waste CO2, which would otherwise be burned, releasing CO2. On Running hopes to produce its first pair of shoes made wholly from carbon sometime next yeat. 【小题4】

Turning CO2 into perfume

What is the smell of a perfume made from CO2? New York-based startup Air Company is selling perfume made from CO2. Perfume has an alcohol base. When mixed with a bit of water and fragrance(芳香) oil, it becomes perfume. Ethanol is widely used in perfume production because it has a neutral smell. This means you only smell the oil. 【小题5】 And with the addition of water and fragrance oil, you get perfume made mainly from air.