Lack of food

when the world grows a bigger then the poplutation also starts to grow

The main organ affected is the ovaries. Also the breasts become bigger in size.

You can make a rocking chair out of recycled material. As for does it harm the environment? Id say there are bigger environmental problems than rocking chairs.

It discusses whether your genetic background or environmental (outer) factors (parents, people, events etc,) will have a bigger outcome on what kind of a person will you become.