Others are designing lighter-weight gold jewelry by incorporating space into their designs.

FORBES: Connect

Husband-and-wife team Nick and Simone Monu -- of fashion label Monu and Monu -- took up the green theme in their designs, incorporating carrier bags, bin liners, and even one of their daughter's old toys.

CNN: Green is this season's color at Nigeria Fashion Week

Increasingly, developers are incorporating pet spaces into new building designs.

WSJ: Where Dogs Rule the Roost