Chicken Circus by Studio H via Jetson Green.

Coop Moderne. Urban agriculture is all the rage lately, and with the backyard gardens come the chickens. Jetson Green offers a few examples of high-design chicken coops made of reclaimed materials by Studio H, a design-build program for high-school students in North Carolina.

Aid. Architecture for Humanity is working on plans to provide relief to victims of the Sendai earthquake and tsunami. The post-disaster reconstruction group is asking for donations now to they can build later. If you would like to support Japan more immediately, the Japanese Red Cross Society is also a good choice.

Al Fresco Forward. As the weather begins to warm, the New York DOT has announced that it’s pop-up cafe program is moving forward. Modeled after pop-up sidewalk cafes in San Francisco and other cities, New York tried out its first model in the Financial District last year. The planter-lined sidewalk extensions project six feet into the street and are paid for by sponsoring businesses. The Post has the list of DOT-approved restaurants in Soho, the Village, and elsewhere.

Rooftop Remix. Web Urbanist put together a collection modern rooftop additions from around the world by the likes of MVRDV, Coop Himmelb(l)au, and others. As Web Urbanist points out, the juxtapositions of the additions against their host structures is quite striking. (Via Planetizen.)