So-called "apple detectives" in the Pacific Northwest are out to find apple varieties that are thought to be extinct – one tree at a time.

CLEAN: Interior shots of Sophie the Stegosaurus skeleton on display at the Natural History Museum on 3 December 2014 in London, United Kingdom.

Millions of years before the arrival of the mighty Tyrannosaurus rex another fearsome dinosaur the Gnathovorax roamed what is now southern Brazil measuring nearly 10 feet long it was the biggest dinosaur of its time ripping apart its...

Interviews with climate change activists in Westminster, London, as Extinction Rebellion protesters block roads in the capital, in a call to end the global climate crisis. The campaigners sat in the middle of the road next to Parliament...

CLEAN: Interior shots of Scottish First Minister Nicola Sturgeon MSP talking to dentists on a visit to a dental surgery and performing 'dental work' on a stuffed dinosaur whilst campaigning ahead of the Scottish elections on 16 April...

VOICED: Environmentalists are warning that mountain hares could be wiped out by warming temperatures. SHOWS: Mountain hares in the wild and interviews with Wildlife Researcher, Manchester Metropolitan University Carlos Bedson and Head of...

The image of a dinosaur with the words Don't Choose Extinction are projected on Kosovo's government building in Pristina to mark the closing of COP26 and promote climate action (Footage by AFPTV via Getty Images)

Donald Trump's shrinking of Utah protected areas that are loaded with dinosaur fossils and resources for oil and coal extraction may soon be reversed. Palaeontologists hope the Biden administration will fully restore the original...

Monarto Zoological Park South Australia, April 2006 1. Various of Tammar Wallaby 2. SOUNDBITE (English) Tim Collins, South Australian Department for Environment and Heritage: "You can get one fox that will kill a number of wallabies in...

23 January, 2012 - Eugene, Oregon 1. Close up Northern spotted owl. 2. Wide Northern spotted owl in aviary 23 January, 2012 - Corvallis, Oregon 3. Various of Eric Forsman in the forest. 4. Mid of mossy forest growth. 5. Close up of...

Diplodocus skeleton 'Misty' sold at auction

CLEAN : Following dinosaur footsteps in Bolivias fossil mecca

CLEAN : Largest dinosaur goes on display in New York

CLEAN : Teen unaware of fame after dino pouch graces White House

A computer animation depicts the bone structure of a T-Rex.

CLEAN : Scientists study extensive dinosaur site in Chilean Patagonia

VOICED : Que sera del rinoceronte blanco del Norte

CLEAN : Scientists hold emergency meeting to save endangered rhinos

Natural History Museum Dippy The Dinosaur skeleton

LEAD IN:More than 100,000 people visited a hunting and equestrian exhibition in Abu Dhabi, with rifles, pistols, falcons, and a Search and Rescue helicopter on display.STORY-LINE:Rifles, pistols, falcons, and a Search ad Rescue...

CLEAN : Conservationists warn lions

CLEAN: Interior shots Sophie the Stegosaurus dinosaur skeleton on display in the Earth Hall of the Natural History Museum, the most intact Stegosaurus fossil skeleton ever found. on January 04, 2017 in London, England.

A nearly complete dinosaur skeleton sold for more than one million euros at auction in the eastern French city of Lyon late Saturday the Aguttes auction house said

CLEAN: Interior shots of Sophie the Stegosaurus skeleton on display at the Natural History Museum on 3 December 2014 in London, United Kingdom.