Technology
Emissions from many cities are under-reported, satellite observations find
A new study using data from Japan’s GOSAT-2 satellite is offering an insight into how much pollution the world’s major cities are actually producing and revealing that widely used emissions databases may be off the mark, especially when it comes to developing countries.
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Particulate matter contains more harmful substances than we thought
New research has raised questions over the manner in which we have been analysing the component parts of particulate matter, suggesting that the delays in testing samples are allowing a large amount of harmful substances to be missed.
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