Human activity increases the greenhouse effect and leads to global warming.
Water is one of our key natural resources; we must protect it vigorously.
This lesson introduces you to the world of minerals.
Among the climate zones with the greatest extremes, the taiga only formed in the Northern...
Lateral compressive forces cause rocks to form folds. This is how fold mountains are formed.
Soil is the loose, uppermost, fertile layer of the Earth’s crust.
A geyser is a spring characterised by intermittent discharge of water and steam.
The animation presents the largest mountains, plains, rivers, lakes and deserts of the Earth.
Tropical rainforests play an important role in regulating the Earth climate.