The image shows the Ruhr area in false colour mode. A false-colour image is an image that depicts a subject in colours that differ from those a full-colour photograph would show. The present image includes measurements in the infrared wavelength, depicting chlorophyll-rich vegetation in red colour. The inclusion of infrared allows determining the state and health of vegetation.
Is junk and marketing mail being delivered to your home?
Removing your name from the mailing list can be as easy as sending a letter, postcard, email or ticking a box on a form. This can save many trees and a lot of water each year. You can also add a sign on your mailbox: ‘No advertisements please’.
More green tips