An awesome list of air quality resources.

Load US Census boundary and attribute data as 'tidyverse' and 'sf'-ready data frames in R

R package for creating and manipulating geometric data structures

Web service to download customised OSM data in various file formats

Build sf objects from R and Rcpp

Visualization of all roads within any city

A quick method for overlaying a Google Map satellite image on a 3D DEM using rayshader and ggmap packages.

Classes and methods for spatio-temporal data

PROJ - Cartographic Projections and Coordinate Transformations Library