Prince William on June 8 called upon world leaders to protect the planet's oceans, calling it a challenge "like none we have faced before."

In a speech at Monaco's Blue Economy and Finance Forum, the future king spoke in English and French as he declared that ocean life is “diminishing before our eyes.”

The Prince of Wales has described the challenge of protecting the world's oceans as "like none that we have ever faced before."In a speech delivered to the Blue Economy and Finance Forum in Monaco, Prince William said life on the ocean floor was "diminishing before our eyes" and called for ambitious action "on a global,