Monaco Yacht Show: How the super rich are saving the seas

CNN  — 

It may be a magnet for ocean-going excess, but the Monaco Yacht Show is becoming an increasingly precious jewel in the fight to save our seas.

The luxury shop window for mega yachts and boating bling opens with a glitzy gala dinner and charity auction, which raised more than $27 million for marine conservation projects carried out by the Prince Albert II of Monaco Foundation.

The A-list guests, including Katy Perry, Orlando Bloom, Adrien Brody and a host of Victoria’s Secret models dressed in dazzling gowns and diamonds, bid on lots ranging from the world’s first luxury electric powerboat to horseback riding with Madonna. On online auction will remain open until December.

But why are the super rich so keen to save the seas?

READ: Monaco Yacht Show: A place for millionaires – and millennials?

Prince Albert II and Princess Charlene of Monaco pose with models, singer Katy Perry and Orlando Bloom, winner of the 2017 gala's environmental award.

‘The ocean is their playground’

Environmentalist and explorer Emily Penn, who acts as spokesperson for the Y.CO Clearwater campaign that encourages yacht owners to reduce waste and emissions, suggests it comes from their idea of holiday fun.

“The ocean is their playground,” she tells CNN. “Without a healthy ocean, the whole industry of yachting doesn’t function in the same way.”

Penn adds that for regular sea travelers the damage is impossible to miss. “I travel a lot,