because it helps the enviroment
I think maybe It is Chlorophyll
No, green aphids are coloured that way due to pigments called carotenes.
You can use the technique called chromatography.
green
The black and green Magic: The Gathering card is called "Abrupt Decay."
The blue-green Magic: The Gathering card is called "Simic Growth Chamber."
The green and white Magic: The Gathering card I am referring to is called "Selesnya Charm."
The red-green Magic: The Gathering card you are referring to is called "Bloodbraid Elf."
Baize is a variety of thick, soft, woollen cloth which resembles felt, often coloured green and used for covering card tables, billiard and snooker tables.
A green coloured mall.
Magenta coloured light makes white light when mixed with green light
At its inception, blackboards were only black. Although many now are green, the name still sticks. It's just like a permanent resident's ID card, called the "green card." It's not green anymore but white, but it is still referred to as a green card.