The leading international body devoted to refugee issues, the UNHCR's website has a lot of information if you go beyond the splashy exterior. Recommend trying the publications sections first. (
http://www.unhcr.ch/
)
An independent group dedicated to making refugee issues known, this site has a lot of useful reports under the "Bulletins" section. Also a lot of photos. (
http://www.refugeesinternational.org
)
The IOM is a supranational organization of over 100 countries dedicated to helping countries work together to address migration problems. The site has a small amount of free information (mostly in the form of news briefings), but will help you expand your knowledge of migration-related transnational concerns. (
http://www.iom.int/
)
InterAction is an alliance of U.S. nongovernmental organizations (NGOs) that work in the realm of development and humanitarian assistance. This site covers a lot more than just migration issues. (
http://www.interaction.org/
)
Based in the UK, the Refugee Studies Centre. There's not a lot of free information here, but you can search the abstracts of some journals, such as Forced Migration Review and the Journal of Refugee Studies. (
http://www.rsc.ox.ac.uk/
)
Part of the enormous Virtual Library association, this site has hundreds of links to all types of sites. A great starting point. (
http://www.ercomer.org/wwwvl
)
Hazards research in one area were human interaction with the environment can have catastrophic consequences. This site is basic to look at, but there's some good information to be found. (
http://www.colorado.edu/hazards/
)
News and links about international and internal U.S. migration. Hosted by the University of California, Davis. Click on Migration News for the latest headlines. (
http://migration.ucdavis.edu/
)
Allows the user to search for migration data for many major countries. Also has some U.S. state data on foreign-born populations. (
http://www.migrationinformation.org/
)