Bonds labeled as green channel their proceeds for projects that save energy, curb pollution and recycle resources as well as clean transportation and energy.
The next time you glide through the airport's green channel but run into a customs man who finds something amiss, get ready to be slapped with a non-bailable warrant.
Cars not carrying any taxable goods are allowed to proceed to the green channel, and it is mandatory for cars to proceed to the customs officers check centre.
In the digital world, however, green has become the favored color because digital cameras retain more detail in the green channel, and it requires less light than blue.