Reference Desk

Atmospheric Science

Air Pollution Data
Atmospheric Chemistry Glossary
Atmospheric Sciences Data
Global Climate Maps
High Resolution Observational Climatologies

Meteorology

Canadian Climate Data and Information Archive
ClimatePrediction.net
Climate Terms
IRI Global Map Room
Global Climate Observing System
Hurricane Resources
National Hurricane Center Glossary of Terms
Northwest Observational Weather Data
Severe Weather Information Centre
Weather Glossary