Reconciling Observations of Global Temperature Change: Full-text online version of book from the (US) National Academy of Sciences, Board on Atmospheric Sciences and Climate, a detailed investigation into differences between surface temperatures and those of the lower troposphere, concluding that the warming trend is "undoubtedly real." From National Academies Press.

Global Environment Facility: Independent international financial entity established to help defray the costs of making projects environmentally friendly and reduce global environmental threats in developing countries and countries transitioning to a market economy.

Global Environment Facility - UNDP: United Nations Development Program component of a UNDP-UNEP -World Bank initiative with a project portfolio operating in 112 countries.

Global Resource Action Center for the Environment (GRACE): Works to form new links with the research, policy and grassroots communities to preserve the future of the planet and protect the quality of the environment.

Center for Social and Economic Research on the Global Environment: CSERGE's core academic objectives are to undertake policy-relevant research on global environmental problems and to contribute to the ESRC's Global Environmental Change Research Programme.

Facts and Observations - Erie Canal: Text of John Rutherford's 1825 publication concerning the origin and completion of the canal.

The Learning Tree Farm: Hands-on learning experience for children and adults in a traditional farm setting, Ohio, USA.

Nurpu - Kinetic Learning: Field-based college environmental school (USA).

Learning from Failure: Engineering Disasters: Statistics on the cause of engineering failures and the ethics thereof.

Globe Engineering, Inc.: A provider of professional civil engineering services. Located in North Fort Lauderdale, Florida.