write up on Role of information technology in environmental studies

write up on Role of information technology in environmental studies
Hints which may be used for preparing:
Database on environment and health :
a.Environmental information system ( ENVIS).
b. National management information system ( NMIS ).
c. Environmental Informatics
d. Geographical Information system (GIS)
World wide web (www)
Environmental modeling
Bioinformatics etc. etc.
4-5 pages (times new roman font 14) of write up excluding tables and pictures.