The Masdar City is scheduled to be completed. It's goal is to be the world's first fully sustainable, zero-carbon, and zero-waste city.
The International Cometary Explorer, a NASA solar probe that was re-tooled for a mission to explore comets, will approach Earth 31 years after leaving its gravitational influence. Unless it is again reactivated for a new mission, it has enough propellant to be re-captured in the Earth system and potentially recovered. It has already been donated to the Smithsonian Institution if it is ever recovered.
The United States Government ban on incandescent lightbulbs to take effect.