1 Subjects: “...rare earth recovery...”

2 Subjects: “...Solid Earth Sciences...”

3 Subjects: “...Earth-to-Air Heat eXchangers...”

4 Subjects: “...earthing system...”

5 Subjects: “...Google Earth Engine...”

6 Subjects: “...rare earth ions...”

7 “... by the increasing pollutant concentration on the Earth's biosystems and the general concerns over the health...”

8 “...Geothermal energy is the thermal energy generated and stored in the Earth's core, mantle, and crust...”

9 “.... According to an ancient Native American proverb, "We do not inherit the Earth from our ancestors; we borrow...”