It may be simpler to build a zero-energy home from scratch than to retrofit an existing structure, but buildings constructed in the 20th century are generally the most in need of upgrades for energy efficiency.
For the visually inclined, Flickr can be an invitation to spend hours meandering virtually through the snapshots of strangers (an assuredly more rewarding vortex than party photos of your Facebook friends). The amassed collection of this global network of amateur (and some professional) photographers is astounding, and the ability for users to apply Creative Commons licensing to their images means that this treasure trove of visual experience is free for the sharing.
While scientists usually get the big headlines for research and forecasts related to global warming, many artists and designers are proposing their own noteworthy responses to this monumental problem. As resources are extinguished and species go extinct, populations explode and oceans rise, we need radically creative thinking to make sufficiently drastic change. The world of art and design is a likely idea incubator.
While I generally eschew plastic tableware in favor of ceramic and glass, which both last longer and do less damage to the environment (unless you break them), I've had a hard time resisting the many great designs that can be found these days adorning melamine resin plates.
The time has come to start seeking out a 2009 calendar. While the boring black-jacketed day planner is sometimes a necessity, a wall or desk calendar with a bit more style can be a nice way to keep track of your schedule.