National Geographic has a newly revamped web site in Beta called National Geographic Education.  There are various tabs available depending on the viewer; Teachers, Informal Educators, Families, Students and Kids.  Regardless of the tab selected resource tabs are Teaching Resources, Activities and Projects, Reference and News, Mapping, Multimedia, Education Programs and What is Geo-Literacy?  With Earth Day coming up this week their resources are timely and plentiful.  National Geographic has partnered with other institutions to become part of Verizon Thinkfinity which offers thousand of resources in multiple disciplines for educators.