People are increasingly interested in seeing animals in natural settings, so traditional jail-like zoos are giving way to open-plan zoos, and to eco-tourism.

Barbary macaques are among the most popular tourist attractions in Gibraltar. The apes have a taste for junk food, which enables tourists to see them up close and allows scientists to easily capture them for research.

We leave the macaques in Gibraltar to travel to the Galapagos Islands to learn about marine and land iguanas.

The segment focuses on the alien striped iguanas of the Galapagos Islands, albinism in a variety of animals, and the peppered moth.

The last segment focuses on Australia. We visit the Warrawong Earth Sanctuary, where there are breeding programs to reintroduce such indigenous animals as bandicoots and quolls, creatures that came close to extinction.

In the next 35 years, we’ll have to produce more food than all of the world’s production over the last 2000 years combined. So what will the farms of the future look like?

Prime Minister David Cameron will step down by October after the UK voted to leave the European Union. Mr. Cameron made the announcement in a statement outside Downing Street, in which he said he will attempt to "steady the ship" over the coming weeks and months, but that "fresh leadership" is needed.

"Brexit" is a portmanteau that blends "Britain" and "exit", and refers to Britain leaving the European Union. The decision was made by referendum, in which a narrow majority of British voters chose to leave the European Union. This video (part 1 of 3) succinctly outlines the plans that Britain's Prime Minister and the Members of Parliament are grappling with on the eve of Britain's exit from the European Union on March 29, 2019.

This segment outlines the advantages and the drawbacks for British businesses in different versions of Brexit. The rights of British citizens living in EU countries and EU citizens living in Britain are also discussed.

The focus of this segment is on the Chequers Deal, the preferred deal of Prime Minister Theresa May, which blends aspects of both Hard and Soft Brexit deals. It also outlines what could happen if no deal is struck by the deadline.

How do you transport life-saving medicines that need to be kept cold to remote communities, even across deserts or through dense jungles? Find out more about the cold chain process.

The city of Oxford is home to some 150,000 residents and a famous seat of learning, the oldest English-speaking university in the world. Although the exact date of its founding isn't known, it is said that local priests and monks were first taught in monastery schools in the area in the eleventh century.

Happy New Year to everybody on our beautiful planet Earth from the International Space Station!

The Great Barrier Reef: it’s one of the most iconic, most beautiful and most diverse locations on earth. Stretching from Cape York in northernmost Queensland down to Bundaberg on the central coast, this enormous living organism (the world’s largest) is nothing short of breathtaking.

Every tourist that visits the Great Barrier Reef contributes in a small way to the protection of this vast and remote wilderness. We are encouraged to experience for ourselves the wonders of this unique underwater ecosystem, and come away with a deeper understanding.

John has fond memories of exploring New York City with his father. He remembers the Chelsea neighborhood as an area where not much was happening — a "no man's land," as he calls it. However, it’s changed a lot since then.

John looks out across the Hudson River and explains the appeal of New Jersey for many residents who have recently moved there from New York City.

John shows us some impressive murals in New York, all of which are by Brazilian street artist Kobra and depict famous artists, musicians, and historical figures.

Native New Yorker John S. tells us about a work of art that awaits travellers at one New York Subway station.

John visits the Alice in Wonderland sculpture in Manhattan's Central Park, where he ponders the meaning of Lewis Carroll’s curious and imaginative literary work.

In the middle of Manhattan, there is an ancient Egyptian monument with carved hieroglyphics. John informs us of its vital statistics and lasting significance.

Luana and Austin get stuck in Indonesia when the borders close and their flight home from Bali is unexpectedly canceled. Austin calls the travel agency to ask for a refund, and the couple must act fast to make alternative arrangements. Luckily, they feel they can make the most of their situation.

Merve feels lucky to live in Kamloops, a small city in southwest Canada, and you can see why! It’s a beautiful place, surrounded by wilderness on all sides. Merve tells us about the area's mountains, grasslands, rivers and lakes, the gold rush of the late 19th century, and its wealth of fascinating wildlife.

Merve lives in British Columbia, Canada's westernmost province, where it gets extremely cold in the winter. He and his friend still go fishing, however, by drilling a hole through 10 inches of ice!