8 NEWS
Kenyan erosion portends problems * “Clovis first” in doubt * Geology department to close at SUNY-Albany * Martian pole boasts icy detail * Peru's ancient solar observatory * Yellowstone fires leave microbes nitrogen-hungry * Birds evolve small genomes pre-flight * Deep Earth may hold an ocean * Lava cooks up carbon nanotubes * Slow earthquakes, tiny tremors

18 GEOPHENOMENA
Volcanic eruptions spark dirty thunderstorms
A new eye on hurricanes

20 ENERGY & RESOURCES
Supreme Court rules in landmark climate case
Alabamans await new gas
Mineral Resource of the Month: Phosphate Rock

7 A COMMENT ON...
Volcanoes in a Changing Global Climate
Volcanologists need to stay involved in discussions about climate change, as volcanic eruptions can certainly impact the climate and people around them.
Jessica F. Larsen

45 A POLITICAL COMMENT ON...
Proposals to Regulate Greenhouse Gas Emissions in the 110th Congress
Climate change discussion in Congress has included wide-ranging proposals, but just what will pass remains a key question.
Josh Trapani

60 GEOLOGIC COLUMN
The Beginning of the Trek
People who live near the Appalachian Trail often take it for granted — they can jump on anytime and hike for as long or short a trek as they’d like. For those who live near the trailhead, however, getting on the trail is a journey in itself.
Lisa Rossbacher

4 FROM THE EDITOR
6 LETTERS: Perspectives from readers
22 WHERE ON EARTH?

40 TRENDS & INNOVATIONS
Geothermal Energy Still Hot
Although geothermal energy is the latest victim in the federal budget squeeze, proponents want to remind everyone that the resource is still there, just needing to be developed — and the energy potential is significant.
Carolyn Gramling

42 EDUCATION & OUTREACH
Engineering a Lunar Challenge
In April, high school and college students from around the world descended on Huntsville, Ala., to participate in NASA’s annual Great Moonbuggy Race.
Cassandra Willyard

46 GEOMEDIA
DVDs: Geo Families: A Tie That Binds
TV: A twisted vision of geology: Saul of the Mole Men
On the Web: Geologists create global Web site

50 GEOMARKETPLACE
51 CLASSIFIEDS: Career opportunities

58 DOWN TO EARTH WITH...
Robert Nemiroff and Jerry Bonnell

59 GEOLOGIC HISTORY
May 10, 1978: Hurricanes named after men too

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