Sir David Attenborough warns that humans ‘have overrun the world’ in trailer

Sir David Attenborough has warned that "human beings have overrun the world" in a trailer for his new film.

The feature-length documentary, titled David Attenborough: A Life On Our Planet, looks back on the defining moments of his life and the environmental devastation that has taken place during that time.

As well as highlighting some of the issues that climate change poses, he also explores some of the potential solutions.

In the trailer, the veteran broadcaster, 93, said: "I've had the most extraordinary life.

"It is only now that I appreciate how extraordinary.

Sir David Attenborough
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Sir David Attenborough
David Attenborough holds out his hand to Suka, an orangutan at London Zoo.
Mr. David Attenborough, younger brother of the film actor Richard Attenborough, married Miss Jane Oriel today at St. Anne's Church, Kew Green.
Broadcaster and Naturalist David Attenborough makes friends with 'Timber' a Red & Blue Macaw, owned by D.S.Redman (not pictured), class 385.
David Attenborough appearing in T.V. programme 'Perspective'.
David Attenborough (left) presents a gold medal to the Wildlife Photographer of the Year CVR Dowdeswell of Leamington Spa, for his picture of a tawny owl bringing food to its young. The competition was run by the magazine Animals.
Naturalists Johnny Morris, David Attenborough, Desmond Morris and Sir Peter Scott.
Presenters taking part in the British Academy of Film and Television Arts (BAFTA) craft awards at the Princess Anne Theatre, in Piccadilly, London. (Left to right, standing) Sir Richard Attenborough, David Putham, Unknown, Melvyn Bragg, Mike Yarwood and John Cleese. (Seated) Rowan Atkinson, Susan George, Alan Bates, Pamela Stevenson and Jenny Agutter.
Sir David Attenborough, writer, broadcaster and naturalist, who was knighted by the Queen at an investiture at Buckingham Palace, London, with his wife Jane (right) and daughter Susan.
Sir David and Sir Richard Attenborough as the unveiling of their joint venture
At the Variety Club Showbusiness Awards in London, are actor and author Dirk Bogarde who received a Special Award for Services to Entertainment, actress Amanda Donohoe who won the Best Film Actress Award, and television presenter Sir David Attenborough, who won the BBC TV Personality Award.
Sir David Attenborough unveiling his wax portrait figure in the Garden Party at Madame Tussaud's in London.
David Tripper, Minister for the Environment and the Countryside, Sir David Attenborough and Professor David Bellamy at the launch of the 11 million pound nature reserve of 2,500 acres on the River Tees estuary.
Sir David Attenborough (left) receives the Duke of Edinburgh Challenge Cup, on behalf of Jerry Hall, from The Duke of Edinburgh, during a presentation at The Royal Geographical Society in London. The cup was awarded to Jerry for being the celebrity owner of the Albatross 'Aphrodite" that won the Big Bird Race, which was held to highlight the problems Albatross's are having with longline fishing.
Britain's Queen Elizabeth II presents TV naturalist Sir David Attenborough with the Insignia of the Order of Merit, a personal award from the Queen recognising exceptional achievements in the advancement of arts, learning, literature and science.
Terri Irwin and David Attenborough with his Special Recognition award at the National Television Awards 2006 at the Royal Albert Hall in west London. PRESS ASSOCIATION Photo. Picture date: Tuesday 31 October 2006.
Sir David Attenborough at London Zoo this morning launching the National Moth Recording Scheme. The scheme, run by Butterfly Conservation, will enlist thousands of volunteers as part of a wider series of initiatives dubbed 'Moths Count'.
Prince Charles, Prince of Wales chats to Sir David Attenborough, Mary Nightingale and Jon Snow during a reception for the Royal Television Society at Clarence House in London on May 22, 2007.
Britain's Queen Elizabeth II smiles as Sir David Attenborough gives a segment of a Christmas Lecture at the Royal Institution of Great Britain, London.
Sir David Attenborough talks with Chancellor of Trinity College Mary Robinson (right) at Trinity College, Dublin, where he was awarded an honorary degree.
** EMBARGOED: NOT FOR PUBLICATION BEFORE 2130 GMT SUNDAY APR. 26 2009 ** Sir David Attenborough with the Specialist Factual Award received for Life in Cold Blood at the British Academy Television Awards at the Royal Festival Hall in central London.
Prince William (left) and Sir David Attenborough at the opening of The Darwin Centre at The Natural History Museum, in London.
Queen Elizabeth II meets Sir David Attenborough as the Queen and Duke of Edinburgh host a reception to celebrate exploration and adventure at Buckingham Palace, London.
Richard Gillies M&S Director looks on as Butterfly Conservation President Sir David Attenborough has a south east Asian Great Mormon Butterfly on his nose, as they launched the Big Butterfly count at the London Zoo in Regent's Park, London.
The Duchess of Cambridge, talks with David Attenborough, prior to the screening of David Attenborough's Natural History Museum Alive 3D, at the Natural History Museum, in central London.
Queen Elizabeth II (right) meeting Dame Helen Mirren, as Sir David Attenborough (second left) looks on, during a Reception for the Dramatic Arts, at Buckingham Palace, London.
David Attenborough with the Specialist Factual Award for Natural History Museum Alive 3D, at the 2014 Arqiva British Academy Television Awards at the Theatre Royal, Drury Lane, London.
Graham Norton, Sir David Attenborough, Jessica Chastain, Gary Lineker and Harry Hill during filming of the Graham Norton Show at the London Studios, in central London.
The Duke of Cambridge (centre) meets basketball player Yao Ming, TV presenter Bear Grylls and Sir David Attenborough at King's College London, before recording a speech on the illegal wildlife trade for Chinese television.
Peter Kay shakes hands with David Attenborough (right) in the royal box on day twelve of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon.
Sir David Attenborough stands in front of a section of the keel of the RRS Sir David Attenborough in the Construction Hall at Cammell Laird in Birkenhead, before he initiates the lifting of the first 'block'.
Duke of Cambridge presents an award to Sir David Attenborough during The London Evening Standard Theatre Awards held at the Old Vic Theatre, London.
Queen Elizabeth II with Sir David Attenborough during an event at Buckingham Palace, London, to showcase forestry projects that have been dedicated to the new conservation initiative - The Queen's Commonwealth Canopy (QCC).
(Left-right) Sally Humphries, Ronnie Wood and Sir David Attenborough during the Tusk Conservation Awards at the Victoria and Albert Museum in London.
Sir David Attenborough holds 'Inti', an armadillo from Edinburgh Zoo, before receiveing a £250,000 cheque from the People's Postcode Lottery for the charity Fauna & Flora International of which he is Vice-President, at Prestonfield House, Edinburgh.
Sir David Attenborough (centre) with the award for Virgin TV's Must-see moment alongside Emma Willis and Dremot O'Leary in the press room at the Virgin TV British Academy Television Awards 2018 held at the Royal Festival Hall, Southbank Centre, London.
(Left to right) The Duke of Cambridge, Sir David Attenborough, the Prince of Wales and the Duke of Sussex arrive to attend the global premiere of Netflix's 'Our Planet' at the Natural History Museum in Kensington, London.
Sir David Attenborough and The Prince of Wales attending the global premiere of Netflix's Our Planet, held at the Natural History Museum, London. Photo credit should read: Doug Peters/EMPICS Entertainment
Sir David Attenborough sports a Wimbledon sun hat on day eleven of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon.
Naturalist Sir David Attenborough giving evidence to the House of Commons Business, Energy and Industrial Strategy Committee,

"The living world is a unique and spectacular marvel, yet the way we humans live on earth is sending it into a decline.

"Human beings have overrun the world. We're replacing the wild with the tame.

"This film is my witness statement and my vision of the future."

World Premiere screening of the BBC's Blue Planet II
The film will also be available to view on Netflix (Jonathan Brady/PA)

Sir David added: "Our planet is headed for disaster.

"We need to learn how to work with nature rather than against it and I'm going to tell you how."

The WWF conservation organisation helped to produce the film.

Colin Butfielf, WWF's executive producer for the film, said: "For decades, David has brought the natural world to the homes of audiences worldwide, but there has never been a more significant moment for him to share his own story and reflections.

"This film coincides with a monumental year for environmental action as world leaders make critical decisions on nature and climate.

"It sends a powerful message from the most inspiring and celebrated naturalist of our time."

Our Planet Global Premiere - London
In the trailer, Sir David wants that humans have 'overrun' the world (Kirsty O'Connor/PA)

David Attenborough: A Life On Our Planet will be shown in cinemas on April 16 live from the premiere at the Royal Albert Hall in London, where Sir David will discuss the film on stage before the viewing.

The film will be broadcast in the UK, the Netherlands, Iceland, Ireland, Norway, Sweden, Denmark, Finland, Australia and New Zealand.

It will then be released on Netflix.

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