Here is a perpetual list of current, local blood donation events - just click. The need is constant. Gratification is instant. For future reference, this link
Blood Donation Events Local by Date is now at the bottom of the right-side menu in the section "Other Information". At that link, you can also find other blood donation events anywhere. Here's a short version of that link that is easy to remember and easy to tell people about:
J.MP/donateblood20708
Please consider giving blood soon.