terrancem writes "A new tool developed by NASA and other researchers shows where forest is being chopped down on a quarterly basis. The global forest disturbance alert system (GloF-DAS) is based on comparison of MODIS global vegetation index images at the exact same time period each year in consecutive years. GloF-DAS could help users detect deforestation shortly after it occurs, offering the potential to take measures to investigate clearing before it expands."
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