Topic Resps Subject
    1  1404 All things planet Earth (MarciaH)
    7   378 Paleontology: fossils, coprolites, and petrified wood (MarciaH)
   14  1421 Weather: Current Severe Weather Warnings and Updates (MarciaH)
   17  1282 Archaeology: The world as a time capsule (MarciaH)
   26  1924 EARTHQUAKE!!!  The Sequel (MarciaH)
   35   604 Gaia Magnetosphere (aa9il)
   50  1049 Et Cetera (MarciaH)
   64   209 Rob's GeoWorld (MarciaH)
   70   376 Majestic Fiery Peaks: The Cascade Volcanoes (cascadeclimber)
   77   192 Living with Volcanoes (MarciaH)
   88   147 EARTHQUAKE!!!! Part 2 (AotearoaKiwi)
   91    18 global warming (terry)