Located in London, Earthshine Electronics is a source of parts and kits relate to Arduino. Other electronics or microcontroller needs also.
See on right is the DFRduino Duemilanove – 100% Arduino compatible clone. Compatible with Standard Arduino Software and Shields.

Beginning Arduino – Michael McRoberts
Digital Barograph made with SCP1000 & GLCD
Arduino Mega Project – Measurement and Data Logging. Digital Pressure Sensor and 128×64 Graphic LCD. Plots graph of current pressure, temperature variation with time.
This certainly is a good project for college students. You can also enhance it for multiple channels, mini thermal printer interface.
Stand alone remote data loggers must be able to take a Standard Thumb Drive for storing and easy retrieval of data. In urban areas a wireless internet transfer is better. In a desert or jungle a satellite data transfer or small flash storage, that can be manually collected and logged into network.