There are many applications which can take advantage of hyperspectral remote sensing. 1  Atmosphere: water vapor, cloud properties, aerosols. 2  Ecology: chlorophyll, leaf water, cellulose, pigmemts, lignin. 3  Geology: mineral and soil types.  Coastal Waters: chlorophyll, phytoplankton, dissolved organic materials, suspended sediments.
The digital footprint applicable specifically to the World Wide Web is the internet footprint; also known as cyber shadow, electronic footprint, or digital shadow, information is left behind as a result of a user's web-browsing and stored as cookies.
The greenhouse gas footprint refers to the emissions resulting from the creation of products or services. It is more comprehensive than the commonly used carbon footprint, which measures only carbon dioxide, one of many greenhouse gases. 2015 was the first year to see both total global economic growth and a reduction of carbon emissions.