When Did Plate Tectonics Begin?
May 27, 2013 | Speaking of Geoscience
An interesting essay titled: "When did Plate Tectonics begin on Earth, and what came before?" by Robert J. Stern has been posted on the Speaking of Geoscience blog.
Earth Flyby Reality Check
February 15, 2013 | NASA
NASA has a collection of videos, simulations, graphics and frequently asked questions about the Asteroid 2012 DA14 Earth close approach on their website.
Earth Science Week Toolkits
May 26, 2013 | American Geosciences Institute
Earth Science Week 2013 Toolkits are available for advance orders now! The kit contains everything you need to prepare for Earth Science Week (October 13-19, 2013), which celebrates the theme “Mapping Our World.” Quoted from the American Geosciences Institute announcement.