To be green you must!

" Prince Charles beamed all the way to Dubai
The Prince of Wales was beamed in Star Trek-style for his first appearance as a hologram when he delivered a powerful speech on the environment to the world's leaders before vanishing into thin air.

A life-size, three-dimensional image of the Prince was projected onto the stage of the World Future Energy Summit in Abu Dhabi, in the United Arab Emirates.

Prince Charles was beamed for his first appearance as a hologram
Telegraph TV: The holographic appearance saved 20 tons of carbon waste

The Prince was reluctant to attend the summit in person because the flights for him and his entourage would have generated an estimated 20 tons of carbon waste.

In comparison the hologram is thought to have left a carbon footprint equivalent to a lightbulb."

Can't wait for Her Majesty's Lightsaber.

Watch the video here