TY  - ADVS
AU  - Hildebrandt,Jeff
TI  - Human impact on the biosphere: basics of ecology 
T2  - Basics of ecology
PY  - 2005///
CY  - Colorado Springs, Colo.
PB  - Great Pacific Media
KW  - Ecology
KW  - Study and teaching
KW  - Biosphere
KW  - Effect of human beings on
KW  - Environmental degradation
KW  - Environmental impact analysis
KW  - Human ecology
N1  - Title from title screen; DVD includes PDF files of a teacher's guide, student study guide, multiple choice test, and a crossword puzzle. Files are accessable by Mac or PC.A sheet of intruction note inserted in container; Video/audio editing : Jennifer Hildebrandt; Narrated by Dan Smith
N2  - 'Introduces the concept of biological magnification before looking at the various types of air pollution and their relationship to phenomena such as smog, acid rain, destruction of the ozone layer and global warming'
ER  -