According to British conservative newspaper The Telegraph, the United Kingdom and the United States are leading a group of countries that have pledged $5 billion to Pakistan:
More than $5 billion (£3 billion) has already been pledged, $2.5 billion of which has been earmarked to help rebuild homes, roads, bridges, schools and hospitals decimated in the Pakistan Army's operation to break the Taliban's control over the the Swat valley....
We're hoping to write something longer on Pakistan soon, but I thought I would pass on this appeal in the meantime. I don't know enough about this situation and haven't researched many of the organisations below to understand how relief fits in with my politics here, so please act on and send on as and how you see fit. You can see the original unexcerpted text at the website linked above.