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Where does the global research on biogeochemical cycles stand?

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Where does the global research on biogeochemical cycles stand?

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There’s been much research on the carbon cycle. But the nitrogen cycle has been neglected. What are the gaps here? We do know how much nitrous oxide and other nitrogen oxides are emitted in total, but we don’t know their hotspots. There is also a serious mismatch: the aggregate of individual emissions does not tally with the total emission figures for nitrous oxide and other nitrogen oxides. We are perhaps, not looking at the right places for oxides of nitrogen. What are the greatest dangers? Sources and sinks of nitrous oxide or laughing gas are not well known. The amount of nitrous oxide in the atmosphere is increasing by 0.2 to 0.8 per cent each year. So at some point, nitrous oxide could contribute significantly to global warming. What possible sources of oxides of nitrogen could have eluded us? We have looked at agriculture and fossil fuels. We should check on biofuels. They could be a major source, since we are looking at them as alternatives to fossil fuels. The nylon industry c

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