This Science Daily article summarizes a paper in Geology pertaining to the Snowball Earth debate. The author found evidence for healthy marine ecosystems at a time when they were supposed to be completely frozen over and anoxic. The website also contains a great search engine used to other Snowball Earth articles. Full description.

The Weekly Volcanic Activity Report is a cooperative project between the Global Volcanism Program of the Smithsonian's National Museum of Natural History and the US Geological Survey's Volcano Hazards Program. The project provides up-to-date worldwide volcanic activity information. Users can access regional maps as well as a map of volcanoes discussed each week. New eruption information is provided ... Full description.

This interactive resource adapted from the National Park Service explains the difference between explosive or effusive (lava pours from a vent onto the ground) volcanic eruptions, and describes the hazards associated with each type of eruption. Full description.

This article, entitled Earth: All Stressed Out, dicusses the reasons for crustal movement, the different types of faults and seismic waves, and an explanation of how the damage is caused. The article includes several animations that support the explanations, plus a video taken during a destructive California earthquake. There are also three sidebars that support the article. They are Learning from ... Full description.

This article describes the issues of rising sea level, subsiding ground, and increasingly persistent flooding in the ancient city of Venice which are threatening treasured architecture and works of art. There is also a discussion of the risks, benefits, and expense of the proposed solution to the flooding, a massive set of gates intended to block the entrances to the Venetian lagoon. Full description.