Stat of the day: 160 container ships create same pollution as all the cars in world. There are 6000 such ships at seapic.twitter.com/ke2KD1h3UR
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
smog and particulates are specifically local air-quality problems. They don't matter in the middle of the ocean
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.