Esri ArcGIS Online is a web mapping platform that allows you to easily create, edit, analyze, share and publish geospatial data. To read about all that ArcGIS Online has to offer, check out its official website. The U-Spatial Help Desk offers training sessions.

Covers aspects of human impact to the environment, including environmental effects of individuals, corporations and local/national governments.

Scholarly articles from SAGE journals in the social sciences and humanities, the life sciences, biomedical sciences, neuroscience, pharmacology, engineering, and material sciences.

The World Factbook, produced for US policymakers and coordinated throughout the US Intelligence Community, marshals facts on every country, dependency, and geographic entity in the world. It provides information on the history, people, government, economy, energy, geography, communications, transportation, military, and transnational issues for 250+ world entities.