Feargal Sharkey: Britain's dirty water problem

Peter Boehringer: Is the AfD a threat to German stability?

Nureldin Satti: The war in Sudan

Nancy Pelosi: American power abroad

Lindsey Graham: Does Trump's comeback spell trouble for America?

Tobias Billström: Controversy in Sweden

Mustafa Suleyman: How can AI be safely developed?

Vladimir Milov: Could Putin outlast his enemies?

Yuval Noah Harari: Are humans losing the ability to trust and co-operate?

Caroline Lucas: Parliamentary politics or direct action?

Shaharzad Akbar: How should the world respond to Afghanistan's crisis?

Kaja Kallas: Is Russia a threat to Estonia?

Martin Griffiths: Is the UN system failing those in greatest need?

Anwaar-ul-Haq Kakar: Can he steer Pakistan through political turmoil?

Paolo Gentiloni: Are divisions costing the EU on the global stage?

Lord Deben: Is short-term politics undermining climate action?

Danny Danon: A new Middle East war

Ehud Barak: Where will the Middle East conflict end?

Olha Stefanishyna: How solid is the West’s support for Kyiv?

Husam Zomlot: Is Gaza on the brink of a humanitarian crisis?

Adam Smith: How does the US navigate its multiple interests?

Aiden Aslin: Captured, tortured and swapped by Russia

Lubaina Himid: Race, culture and modern Britain

Jakov Milatović: President of Montenegro

Sir Lindsay Hoyle: Can the Speaker ensure parliament better serves the people?

Abdallah Bou Habib: Could Lebanon get dragged into war with Israel by Hezbollah?

Carlo Rovelli: Life, the universe and white holes

Mustafa Barghouti: What next for the Palestinian people?

Fiona Hill: Are overseas wars exposing US weaknesses?

Mervyn King: Global growth and inflation

Mark Alford: Do US Republicans have a winning formula?