Our thoughts and prayers with those effected by the hurricane, which is all of us, really.
Calculated risk has information on oil refineries here:
Here's list of damage to cities on Mississippi Gulf Coast
Here's a list of places accepting donations, among them:
American Red Cross
Humane Society (don't forget the animals, the most innocent victims)
The Mercy Corps
Episcopal Relief and Development
United Jewish Charities
Whatever you political or religious bent, there's a place you for you to channel your money and donations to help.