Attenborough at 99 delivers 'greatest message he's ever told'

[nitpicked]

https://www.bbc.com/news/articles/cn0wjxg0ex1o

Sir David Attenborough is launching what he says is one of the most important films of his career as he enters his hundredth year.

He believes his new, cinema-length film Ocean could play a decisive role in saving biodiversity and protecting the planet from climate change.
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The ocean is the planet's support system and humanity's greatest ally against climate catastrophe, the film argues. It shows how the world's oceans are at a crossroads.

A blue carpet will be rolled out at the film's premiere tonight at the Royal Festival Hall.
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The film documents how the state of the world's oceans and our understanding of how they function have changed in the course of Sir David's lifetime.
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