Read at : Google Alerts – images of the Africa drought
These satellite images could be used to predict the next drought
This is a new kind of satellite image of the Earth, showing nothing but vegetation. It allows us to track just how fecund the planet is — and to spot trouble regions where crop growth may soon be hindered by drought. Soon, images like these could become a crucial part of food security.
his complete picture of the planet’s plant life is product of a year’s worth of images collected from Earth’s orbit between April 2012 and April 2013. Up top is a close-up of the Western Hemisphere. Here’s a view of our planet from the other side: