Are the world's environmentalists about to take power? Is financial advice getting cheaper? And why are private citizens leading the space race? Olly Mann and The Week delve behind the headlines and debate what really matters from the past seven days. With Kari Wilkin, John Stepek and Sorcha BradleyTo get six free issues of The Week magazine and and then a 57% discount on your subscription visit theweek.co.uk/offer and enter promo code: SPRING

#223 Greens, investments and space privateers

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A week after a landslide that left hundreds of people dead, the prime minister of Papua New Guinea is facing a vote of no confidence. The outcome will be keenly watched in China, Australia and the US, which are seeking to woo the country's government and solidify their influence in the Pacific.Plus: a helicopter scandal at the MoD and the rebirth of Loaded magazine.Olly Mann and The Week delve behind the headlines and debate what really matters from the past seven days. With Mariana Vieira, Harriet Marsden and Holden Frith.

382. The battle for Papua New Guinea

Former president Jacob Zuma was this week banned from running as a candidate in South Africa's parliamentary elections, which take place this weekend. Despite that setback, his party could cost the ANC its majority, which it has held since the end of apartheid. Are South Africans finally falling out of love with the party of liberation?Plus: the vanishing internet, and prepping for disaster.Olly Mann and The Week delve behind the headlines and debate what really matters from the past seven days. With Jamie Timson, Rebecca Messina and Leaf Arbuthnot.

381. Will South Africa turn its back on the ANC?

This week the Vatican is playing host to an international conference on climate change, at which many of the world's mayors and governors will discuss how we can adapt to the challenges of global warming. Could religious leaders help to win over some people who wouldn't listen to politicians?Plus: ultra-long mortgages and Swiftonomics.Olly Mann and The Week delve behind the headlines and debate what really matters from the past seven days. With Jessica Hullinger, Guy Anker and Cindy Yu.

380. What has the Pope got to do with climate change?

Each year tens of thousands of children, some as young as 10, are married in a handful of American states, including California, which have no lower age limit for marriage. Most of these weddings involve a young girl marrying a man who is over 18. Will a new campaign bring the practice to an end? Plus: Black maternal health and the price of olive oil.Olly Mann and The Week delve behind the headlines and debate what really matters from the past seven days. With Sorcha Bradley, Rebekah Evans and Emma Smith.

379. Will the US end child marriage?

In Britain and beyond, health services are desperately seeking blood donors. But could science help ease the crisis? This week scientists have taken a step closer to being able to convert blood from one type to another, which would allow donations to be used more efficiently and effectively. Plus an immersive D-Day simulation, and analysing a weight-loss faux pas.Olly Mann and The Week delve behind the headlines and debate what really matters from the past seven days. With Harriet Marsden, Arion McNicoll and Suchandrika Chakrabarti

#223 Greens, investments and space privateers

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