This, and the previous post, Feeling Rational, are perhaps my two favorite posts of the entire collection.
Today's post, Universal Fire was originally published on April 27, 2007. A summary (from the LW wiki):
You can't change just one thing in the world and expect the rest to continue working as before.
Discuss the post here (rather than in the comments of the original post).
This post is part of a series rerunning Eliezer Yudkowsky's old posts so those interested can (re-)read and discuss them. The previous post was Feeling Rational, and you can use the sequence_reruns tag or rss feed to follow the rest of the series.
Sequence reruns are a community-driven effort. You can participate by re-reading the sequence post, discussing it, posting the next day's sequence reruns post, summarizing forthcoming articles on the wiki, or creating exercises. Go here for more details, or to discuss the Sequence Reruns.