This is an article published by ASCD that lists some questions that a teacher could ask to help get started on incorporating a global perspective into the classroom. I would start here if you are a teacher and don't know where to begin to make your classroom more global.
The Global Education Checklist from Fred Czarra is a tool to help teachers determine how well the students understand global issues in the instruction. This is a long checklist, but has so good insights as to what would be useful for targeted areas to concentration for Global Education.
This is a screencast that I made based on the talk done by Dr. Hakim Williams. This screencast explains how to improve our cross-cultural communication.