I would install solar panels on the roof, cover the concrete porch with wood, minimize the size of the stones leading to the stairs in the third picture, and replace the black walls with wood. -HSG modern 300 house in Vilnius by NG architects
Seattle based studio Finne Architects designed the Port Ludlow Residence, a simple living space with several sustainable building features. This modern home is located at the north end of the Hood Canal, western Puget Sound.
Malator, an earth-sheltered house in Wales, UK with a view of the coast; designed by architects Future Systems - neat idea to have an underground house, and this version allows for windows in the living space