The Royal Society Digital Journal Archive, from 1665 to 2010 inclusive, will be free to view until 30 November 2010.
Springer provides free access to following journals until the same date:
Climatic Change, Environmental Earth Sciences, Contributions to Mineralogy and Petrology, Boundary-Layer Meteorology,
Hydrogeology Journal, Climate Dynamics, Biogeochemistry, Mineralium Deposita, Water Resources Management, Pure and Applied Geophysics, Natural Hazards, International Journal of Earth Sciences / Geologische Rundschau, Transport in Porous Media, Journal of Paleolimnology, Journal of Geodesy, Palaeobiodiversity and Palaeoenvironments, Arabian Journal of Geosciences, Earth Science Informatics, Archaeological and Anthropological Sciences, Geoheritage, Russian Journal of Pacific Geology, Carbonates and Evaporites
for details see http://www.springerlink.com