Michelle Kaufmann’s mkISLAND doubles as a table—ideal for small, energy-efficient homes. The countertops are concrete blended with recylced materials like fly ash, porcelain or rice hulls (from $5,250; mkd-arc.com).
Yolo Colorhouse paints don’t release harmful volatile compounds. They also come in a great selection of colors, including dark shades, which can be tricky to produce with green standards (from $40; 877-493-8275 or yolocolorhouse.com).
Chilipepper’s under-sink pump has a microprocessor that reduces water waste. ($180; 800-914-9887).