Celebrate Earth Day, which is on Monday, April 22, 2013. Earth Day was first officially recognized on April 22, 1970. This year the theme is "Our Earth: Handle with Care." The topics this year include water, air, plants/soil, and recycling.
If you haven't seen them yet, check out the final release of the Next Generation Science Standards. There is helpful information at the site. My home state of Michigan is currently asking for public input in order to plan support for implementing NGSS.
Whether it is a completely unique idea or just a twist on an old classic, engage in collaboration with other chemistry teachers around the world and publish your work. There are many venues and the pool of precollege chemistry instructors that are already contributing is relatively small.