Kate Adie presents stories from Ukraine, Serbia, Guatemala, Kenya and the Philippines.

Diplomatic efforts to end the fighting in Ukraine are continuing after initial attempts to secure a ceasefire stalled. Russia has refused to support a US-led plan for a 30-day ceasefire and demanded talks about its red lines first. James Landale has been in Kyiv where he says hopes are fading for any meaningful victory.

Serbia saw its largest ever protest last weekend in the capital, Belgrade. Demonstrators blame corruption and corner-cutting by the ruling party for lives lost after a railway station collapsed last year. There have been several resignations, but the protests have only gathered momentum. Guy De Launey has been in Belgrade.

Guatemala is notorious for endemic corruption. For years, state funds ended up in the pockets of a powerful elite known as “the pact of the corrupt." In the last election, political underdog Bernardo Arevalo defied the odds and won power on an anti-corruption platform. But some are growing impatient with his lack of progress, finds Jane Chambers.

Between 2020 and 2022, the Horn of Africa suffered its worst drought in at least 40 years. The UN has thrown its support behind an initiative to help farmers fight drought through early warning systems. Peter Yeung has been to Kenya to find out more.

President Rodrigo Duterte was arrested in Manila last week and flown to the Hague. There, he faces charges of crimes against humanity over his deadly ‘war on drugs.' During his term, thousands of small-time drug dealers and users were killed without trial. Tim Mansel recalls an illuminating meeting with a priest and a pathologist.

Series Producer: Serena Tarling

Kate Adie introduces dispatches from Mexico and the USA, Bangladesh, Syria and the Faroe Islands.

Donald Trump has threatened Mexico with sanctions if it does not do more to halt the flow of deadly fentanyl into the US. Quentin Sommerville gained rare access to a Mexican drug smuggling operation, meeting the foot-soldiers of a prominent cartel as it prepares to send fentanyl north of the border.

Bangladesh is homes to hundreds of thousands of Rohingya people, who have been living in refugee camps since fleeing pesecution in Myanmar back in 2017. The Rohingya’s survival has been dependent on foreign aid – but that lifeline is now at risk, following cuts to the US aid budget. Samira Hussain visited one of the refugee camps.

US negotiators proposed an immediate 30 day ceasefire in Ukraine this week. While President Zelensky accepted the proposal, President Putin said questions remain about the nature of the truce. Frank Gardner assesses the chances for a lasting peace.

Back in 2014, swathes of north-east Syria came under the control of Islamic State - though when its fighters reached the city of Kobane, they met strong resistance from Kurdish forces. With the help of international allies, IS was eventually driven out, but local Kurds still worry that IS may one day return, reports Jiyar Gol.

In the autonomous Danish territory of the Faroe Islands, locals have been keeping an eye on what’s been going on in another Danish territory – Greenland. Donald Trump’s proposal that the US might look to buy it has sparked fresh conversations over Faroese independence – and a growing sense of local pride, finds Amy Liptrot.

Series Producer: Serena Tarling

Kate Adie introduces dispatches from Egypt, Poland, the USA, Malaysia, and the Mekong River.

Arab leaders convened in Egypt this week to draw up a post-war plan for Gaza - and to counter Donald Trump's proposal to turn it into the 'riviera of the Middle East'. Lyse Doucet travelled to Cairo to report on the new Arab resolve, but found herself being pulled back into the city's own tumultuous history.

Increased uncertainty about the future of Ukraine is fueling a sense of unease in neighboring Poland. The question of 'how safe are we?' is a hot topic of discussion in the country's current presidential election campaign. Adam Easton reports from Warsaw.

In order to tackle the country's opioid crisis, some US states are focussing less on prosecution, and more on treatment. The first state to decriminalise the personal possession of hard drugs was Oregon back in 2020 – a decision it would come to reverse in 2024. Martin Vennard has been to the famously progressive state to find out what’s been happening.

Malaysia has become a global hub for recycling, importing an estimated five million tonnes of plastic each year - but does it really make a difference? Leanna Hosea went to find out what happens to the world's waste once it arrives.

Finally, we head to the banks of the Mekong River, where the borders of Thailand, Myanmar and Laos meet. Matthew Gwyther travelled through the region and reflects on how its past and present have being shaped by dominant powers.

Series Producer: Serena Tarling

Kate Adie presents stories from Russia, the occupied West Bank, Bangladesh, South Africa and India

US relations with its Western allies have been upended recently amid a rapprochement between Washington and Moscow. The BBC’s Russia Editor Steve Rosenberg reveals how the warming of relations has been feted in the pro-Putin press, while ordinary Russians are seemingly more cautious.

As the first stage of the ceasefire between Hamas and Israel comes to an end, Israel's defence forces are in the midst of another major operation against armed Palestinian groups in the occupied West Bank. Paul Adams visited one of the region's refugee camps to see what impact Israel’s military action is having on the thousands of people forced to leave their homes.

Bangladesh remains politically unstable six months after the violent student-led uprising which brought down long-term leader, Sheikh Hasina. In the absence of political certainty, fundamentalist Islamic groups – previously side-lined in politics – have found fresh impetus, says David Loyn.

Johannesburg in South Africa is often framed as one of the world's most dangerous cities - but there are signs of improvement, with both locals and tourists returning to explore areas once regarded as no-go zones. Ed Habershon met the Joburgers trying to change their city’s image.

Each year, in the south Indian state of Kerala, ancient folk rituals, known as theyyams, are held in family estates and around temples. Sara Wheeler went to watch the dramatic spectacles, where performers become living embodiments of Hindu deities.

Series Producer: Serena Tarling

Kate Adie presents stories from Ukraine, the United States, The Gambia and Uzbekistan. Its three years since Russia began its full-scale invasion of Ukraine, during which time hundreds of thousands of people have been killed or injured - though others have simply disappeared without trace. Sarah Rainsford travelled to Ukraine, where she met one woman trying to find out what happened to her parents after they were detained during Russia's occupation of her home town. US President Donald Trump has pledged to curb government waste by cutting spending. Under review are the billions of dollars set aside for research grants, intended for universities and scientific institutions. At the annual gathering of one of the country’s oldest scientific societies, which took place in Boston last week, Sandra Kanthal found a decidedly dampened mood. Each year thousands of people leave sub-Saharan Africa in hope of reaching Europe and forging a better life. It's a dangerous and potentially deadly journey - and for some the challenge is just too much. So what happens after they return home? Alex Last went to The Gambia to find out. The city of Bukhara in Uzbekistan is located on the route of the legendary Silk Road, and in the Middle Ages it became a major intellectual hub of the Islamic world. It's also home to a centuries-old Jewish community, which over generations blended culture with the Muslim community. Post-Soviet emigration means it's now much smaller than it used to be, but Monica Whitlock met one man who is still happy to call Bukhara home.

In Saxony, our correspondent hears why young voters are increasingly supporting the AfD. The party is polling consistently in second place ahead of a snap election next Sunday

LONG: Kate Adie presents stories from Germany, the US, Afghanistan, Spain and Morocco.

Germany goes to the polls on 23rd February, with the conservative CDU party showing a strong lead. But the far right AfD is consistently polling in second place. The biggest rise in support for the party has been among young voters, and Jessica Parker has spoken to some of them in Saxony to hear why.

Mahjooba Nowrouzi returns to Afghanistan, for the first time in nearly 30 years, having fled the oppressive Taliban regime as a young student. She describes how despite initial first impressions, not much had changed with the Taliban back in control once more.

This week, Jordan's King Abdullah visited Washington, where he made clear to President Trump that he and other regional leaders were unanimous in rejecting plans to take over Gaza and transfer Palestinians to Jordan and Egypt. Tom Bateman followed the encounter between King Abdullah and the President.

In Southern Spain, the olive yield has risen substantially after several years of punishing drought. But apart from the challenges of climate change and on-going desertification in Spain, farmers have another worry – crime. Last year in Andalucía over 500 tonnes of olives were stolen. It’s a headache for local law enforcement, as Linda Pressly found out on a visit to the olive groves there.

Morocco has long been the film location of choice for many a Hollywood director, with its array of studios and versatile backdrops. But now, as John Kampfner discovered on a recent visit, a combination of tight budgets and technology, suggest that the good times might be running out in the ‘Hollywood of Africa.’

Series Producer: Serena Tarling

Kate Adie introduces stories from DR Congo, Israel, Ecuador, Malaysia and Germany.

Hundreds of thousands of people have been displaced by the ongoing conflict in the DR Congo. Amid the violence, a clinic in Goma is helping civilian casualties recover and rehabilitate. Hugh Kinsella-Cunnigham met some of the people trying to rebuild their lives.

Regional leaders in the Middle East are focusing their attention on the second stage of the ceasefire – and the continuation of the hostage and prisoner exchange between Israel and Hamas. Some hardliners in the Knesset are demanding a resumption of the war, which worries families still waiting for their relatives to be released, reports Wyre Davies.

Ecuador goes to the polls this weekend, in a vote which is seen by many as a referendum on President Daniel Noboa's hardline war on the country's criminal gangs, which critics say has led to innocent people arrested and detained. Ione Wells reports from the city of Guayaquil.

A recent survey in Malaysia revealed more than 70 per cent of young Malaysians are in debt. Officials says this is down to a ‘shopping addiction’ and the growth of ‘flex culture’ on social media. Hannah Gelbart went to find out more about the country's appetite to spend.

In an age of translation apps achieving fluency in a foreign language can perhaps seem a futile exercise. Undeterred, Lucy Ash recently moved to Berlin to learn German. After making little progress, she moved to the country’s Baltic coast where she volunteered as a farm hand - and could finally escape the multitude of English-speakers in the capital.

Series producer: Serena Tarling

Image: Naomi at the Shirika La Umoja centre in Goma. Taken by Hugh Kinsella Cunningham

Kate Adie presents stories from the US, Mexico, Bangladesh, Guatemala and Malaysia

In cities across the US, the Immigration Enforcement Agency has been conducting raids and arresting thousands of undocumented migrants, as part of President Trump’s crackdown. Mexico is preparing itself for the potential arrival of tens of thousands of people in the coming weeks. Will Grant reports from both sides of the border.

In Bangladesh, deaths related to diseases, such as cholera and rotavirus are considered especially high, because of long-standing issues with overcrowding, poor sanitation and access to clean water. Rebecca Root visited a hospital in the capital, Dhaka, which is leading the way in treatment and prevention.

Many of Guatemala’s indigenous communities live outside the major cities, and the stress of living isolated lives has fuelled mental health problems. A group of indigenous women is trying to change that. Jane Chambers went to lake Atitlan to meet them.

The Malaysian state of Sabah, in northern Borneo, is a mountainous region covered in dense rainforest. On a recent visit there, Stephen Moss came across the increasingly rare black hornbill – and a new generation of keen birdwatchers.

Series Producer: Serena Tarling

Kate Adie present stories from Israel and Gaza, Syria, Denmark, Spain and Poland.

After a faltering start, the ceasefire between Israel and Hamas came into effect last Sunday. Fergal Keane has been reporting on the conflict from the outset and was on Israel's border with Gaza last weekend – here he reflects on the human cost of the war and what the future might hold.

Syrians have been embracing their new found freedoms since the fall of Bashar Al-Assad’s regime last year. But, at the same time, the scale of Assad’s intelligence and surveillance operation is now coming to light. Lina Sinjab retraces her own experiences of being arrested by Syria’s secret police.

We visit the Danish town of Kalundborg – the main manufacturing centre for the weight loss drug Wegovy. Bob Howard paid a visit to find out more about life in a modern-day boom town

Climate change is posing a major challenge for wine producers across the world. Sophie Eastaugh travelled to Catalonia to find out how one of Spain’s oldest family-run wine companies is looking to the past for answers.

80 years ago, Soviet troops liberated Auschwitz-Birkenau, the largest Nazi extermination camp. Events are being held this week to remember the 1.1m people, mainly Jews, who were murdered there. Amie Liebowitz, a descendant of two women held at the camp, reflects on a recent visit there.

Series Producer: Serena Tarling

Kate Adie introduces stories from Los Angeles, Cambodia, Argentina, Nigeria and Washington DC.

The Los Angeles wild fires have left thousands of people homeless, and caused damage costing billions of dollars. Among those Angelenos who narrowly escaped disaster there is an overwhelming sense of relief - and, for some, a sense of guilt. BBC LA correspondent David Willis tells the story of his own close call.

Cambodia’s 12th Century temple complex, Angkor Wat, is the world’s biggest religious site and a huge tourist attraction. Authorities want to increase visitor numbers, which has led to locals living in the jungle around the site being evicted from their homes. Jill McGivering went to investigate.

Javier Milei was elected president of Argentina a little over a year ago, following an eccentric campaign in which he promised radical economic reform. Charlotte Pritchard visited a chewing-gum factory in Buenos Aires, to find out what business owners think of the progress the country is making so far.

In Nigeria we navigate the bustling urban sprawl of Lagos to find a wildlife sanctuary in an unlikely spot. It's the work of a local school teacher who wants to teach locals about conversation and the importance of biodiversity. Kirsty Lang paid a visit.

Washington DC is making preparations for Donald Trump's inauguration next week. As he enters the White House, the Republicans will control of all three branches of government. Paddy O’Connell looks back to his own time working in Washington, when American voters were seemingly much more willing to share support for both political parties.

Series producer: Serena Tarling