[PC][late1990s-early00s] Educational point and click game

Platform(s):PC

Genre:Education

Estimated year of release:mid-late1990s, maybe really early 2000s (pre 9/11)

Graphics/art style:Cartoony-ish?

Notable characters:The main character talking to you is named Thaddeus/Thadeus, and he guides you through different biomes of earth.

Notable gameplay mechanics:Point and click, learning different flora, fauna, geology or earth biomes

Other details: the main menu is in a spaceship, i think.

TIA!