Finally, sustainable development, demographic change, pollution, and agricultural productivity are examined in the context of the ecological challenges that the globe will face in the very near term future.
Aids is an important international issue. The link to the CDC in Atlanta, has a variety of important information related to global health concerns. You may visit it at CDC.
World health links are widespread, but one of the most informative and up-to-date is available at the CDC
One good link to environmental information is IIASA
Another link on climate change is maintained by the UNEP.
Ironically, the Global Futures Foundation home page has a graphic of the USA on which a tiny globe sits. Despite this bizarre image, there is some good stuff on the environment and the economy here.
Corey Lofdahl maintains some good links to the general area of environmental research; some of these are: