Architecture for Humanity , the non-profit organisation working to reconstruct countries afflicted by natural disasters – by constructing homes, schools and community buildings with an emphasis on design and longevity – is currently raising funds for Japan in the wake of the tragic earthquake and tsunami. You can donate here. Friends of the organisation, San-Fran company Heath Ceramics, will also be donating 25% of all its online sales to the cause for the next week – new house number tiles in Neutra and Eames fonts, shown below.