It had to happen - a pallet christmas tree! Paint your pallet a background colour like, then paint on a Christmas tree in a contrasting colour. When dry place tacks around the tree to hang lights and ornaments, decorate and there you have it !
Almost everyone knows that plants and trees convert carbon dioxide into oxygen. We all need oxygen to breathe and survive. Every plant carries out this conversion. Some of them do this more effectively. NASA is always busy doing something.