e08.    What are bioregions and biosphere reserves?

A bioregion is a land area or life territory with distinctive soil, landforms, watersheds, microclimates, native plants and animals and other biological and physical characteristics specific to that area. Biosphere reserves are core areas containing an important ecosystem that has had little disturbance from human activity. Buffer zones where activities are managed to protect the core. Transition zones are where sustainable forestry, grazing, and so forth are evident.

g07.    How did plate tectonics affect the diversity of ecosystems?

g12.    How are mountains built?

g13.    What makes up earth's climate?

g20.    What is the theory of plate tectonics?

m01.    How much public land is there and how is it used?  

m17.   What’s happening to the tropical forests?

m18.  To whom are rainforests important?

m21.    Why is there controversy over old-growth deforestation?

m35.    How can global warming affect biodiversity?