The best replacement for earth science is geology.

The best alternatives to earth science are rated as following:
★★★★★  geology
★★★★  biology
★★★  environmental science
★★  physical science
★★  life science
★  geoscience
  geography
  natural science
  earth science

Your alternative for earth science is not listed? Suggest!
Speaking about earth science, one probably shouldn't forget about physical.

Other search terms related to earth science and their ratings are:
★★★★★ physical
★ physical science
You have in mind a companion for earth science and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of earth science in all years. Click on graph for more.
earth science
geology
biology