One of the elements to which multiple spectra have been attributed is carbon, which was at one time supposed to possess four different spectra: of these one has been shown to be due to oxide of ...

Some carbon-negative technologies approach carbon dioxide as a resource to be harnessed ... that can better exploit the full solar spectrum as they can absorb light at longer wavelengths that ...

UN scientists are likely to weigh up technology to remove CO2 from the atmosphere, as they gather to finalise a key report. This idea will be one of many solutions considered over the next two ...