Rewind nearly 5 weeks ago. It’s 8:30 a.m. and I’m sitting in a spacious downtown conference room at the American Express headquarters in New York City with 14 other bloggers from around the country. (No, this isn’t some sort of twisted tofu-induced dream.) A crack squad of clever marketing professionals has just uttered four words I never expected to hear from a credit card company: “We need your help.”

If you were to rewind earlier, you’d see a handful of confused phone calls, a few unsure conversations with friends, and the packing of an overnight bag for a 12-hour immersion event where I’d learn exactly why we bloggers had been brought forth: to serve as midwives, doulas, to American Express’ newest baby — the ZYNC card.

Without getting too schpeely on you, the ZYNC card is a new Charge Card designed for people in their 20s and 30s with a pretty unique twist. Tailored to fit specific lifestyle interests and spending habits, the card offers bundles of rewards and benefits called “Packs.”

While there are a plethora of different Packs, including “Music,” “Style,” “Restaurant,” and “Personal Finance,” I’m most excited to share two Packs that I happen to think are pretty damn neat: the “Eco” and “Give Back” Packs.

The “Eco” Pack rewards Cardholders for shopping at over 4,000 select green merchants, offers discounts on eco-friendly merchandise and provides access to an “eco concierge service” (translation: free on-demand info about awesome green stuff in your neighborhood). Plus, “Eco” Pack participants have the option to use their points to purchase carbon offsets, which is without a doubt a step in the right direction.

The other Pack I’m crazy about is called “Give Back” and offers 1,000 Membership Rewards for each logged hour of volunteer service and one Membership Reward point for every charitable dollar donated using the card. Yes, financial rewards for social contributions!

Although it has been in beta since December 2009, the ZYNC card officially launches today! To celebrate, American Express will present a live in-venue and online concert with Brooklyn band, The National, on May 15. Of course, all ticket proceeds will benefit Red Hot – a leading international organization dedicated to fighting AIDS through pop culture

For the sake of full disclosure, I must tell you that I’m still working with American Express on the ZYNC campaign and that I care very much about its success. However, and I promise you this, I have no contractual obligation to write favorably about ZYNC; and I wouldn’t if I didn’t fully believe in what it has to offer.

I’m choosing to share this card with all of you because I think American Express is helping familiarize young people with the idea of conscious capitalism — a template I believe could help transform the mindset of Corporate America.

Will my fellow finicky members of Gen Y be as excited about this card as I am? Only time will tell! For now, I feel more than proud to put my stamp of approval on the American Express ZYNC card and say that I happen to think it’s pretty darn rad.

If you think this card sounds like the new hotness, jump on over to ZyncCard.com or leave a comment below. I’m excited to hear what everyone has to say!