The Library of Congress classification system is used to group similar subjects together, which makes the collection browsable. Here are some related the environmental & earth science subjects and their call numbers.
3D Recording, Documentation and Management of Cultural Heritage by 
Small Flying Drones: Applications for Geographic Observation by 
(Ebook) Earth Observation, Remote Sensing and Geoscientific Ground Investigations for Archaeological and Heritage Research by 
(Ebook) Atlas of Structural Geological and Geomorphological Interpretation of Remote Sensing Images by 
Internet of Things: robotic and drone technology by 
Eyes to the Sky: privacy and commerce in the age of the drone by 