Donald Trump has repeated his desire to control Greenland as a matter of national security, targeting Russian and Chinese interest in the Arctic. Competition is heating up over shipping routes and stores of natural resources.

The Global Story brings you one big story every weekday, making sense of the news with our experts around the world. Insights you can trust, from the BBC World Service. For more, go to bbcworldservice.com/globalstory or search for The Global Story wherever you got this podcast.

We meet a Texas woman whose donated breastmilk helped thousands of premature babies. Also: surviving thirteen days alone in Australia's mountains; a chess playing NBA star; and appealing for friends to tackle loneliness.

Meet the Buz Stop Boys, a group of volunteers helping to clean the streets of Ghana. Also, the treehouse escape for people with chronic illnesses, and the Hawaiian crow which went extinct in 2002 returns to the wild.

Presenter: Nick Miles. Music composed by Iona Hampson

We meet the family who kept their shop open on Christmas Day to help locals feel less lonely. Also, the parents creating visual memories for their children and the restaurant where most of the staff have Down's Syndrome.

Memorial events have been held around the Indian Ocean to mark 20 years since the tsunami that killed more than 220,000 people. Also: Did Russia down an Azerbaijani plane? And the rise of non-alcoholic wine.

The happiest stories of 2024 - from the extraordinary achievement in raising Notre Dame Cathedral from the ashes, to the success of the chopsticks manoeuvre to catch a rocket booster; and the baby hippo who went viral.

A man filmed playing the piano while homeless went viral. Now he's raising money for others and says it's saved his life. Also: showing love with Christmas lights; how a cat saved its owner; and AI spots dolphin accents.

We hear from a cafe in Massachusetts that spreads joy by asking customers to dance as they enter. Also: the toys made from cigarette butts; a community library destroyed by fire reopens; and Italy's festive Krampus Run.

US president commutes around 1,500 sentences and pardons 39 people. Also: inside Syria's abandoned presidential palace, recreational use of cannabis banned in Japan, and the secret to being happy at work.

Syrian President's grip on power wanes as another strategic city falls to Islamist rebels. Also: Notre Dame Cathedral in Paris is rededicated in front of world leaders and the conman in India who duped families into thinking he was their long lost son.

Syria's army says it's bolstering defences around the capital, Damascus, as rebels intent on overthrowing President Assad converge on the city.

We're at an Italian film festival with a difference, for actors who become the voice of Hollywood stars and achieve fame in their own right. Also: California's canine mayor; and why diplomacy can work better in a sauna.