In celebration of Earth Day, a website called HooplaHa.com is asking for people everywhere to submit their own Vines of Earth-friendly acts of kindness under the hashtag #GivingVine. HooplaHa, a self-proclaimed “feel good” website that produces original, guaranteed-to-make-you-smile videos, started the #GivingVine campaign earlier this year with the sole purpose of collecting Vines of good…