Guest Myra Anubi discusses the repurposing of landfill sites into green spaces, focusing on Singapore's landfill island made from incinerated waste. The podcast also explores how a French company converts landfill methane into biomethane for energy use. Other topics include the purification process of landfill gas and efforts to reduce methane emissions from landfill sites.

Loneliness affects millions of people around the world and can have a significant impact on our mental and physical health.In the Netherlands, they are taking the problem seriously, with a national coalition of organisations all trying to bring people together and build connections.We visit a youth club teaching teenagers how to overcome shyness and social anxiety. Plus, we drop in on a soup-making session that's bringing the generations together, and breaking down stereotypes.Presenter: Myra Anubi Reporter/producer: Claire Bates Series Producer: Jon Bithrey Editor: Bridget Harney Sound mix: Gareth Jonesemail: peoplefixingtheworld@bbc.co.uk(Image:Queen Maxima of the Netherlands at Oma's Soup)

In the Indonesian part of Borneo, a clinic was built to stop people from chopping the rainforest by offering affordable healthcare. The clinic used seedlings as payment for medical treatment. The link between healthcare and conservation efforts is explored, with a research paper showing a decline in logging activities. Researchers found a 70% decrease in forest loss in a National Park after intervention. In Nigeria and Turkey, incentives for health insurance and community service improved health outcomes.

French company Carbios is using enzymes to break plastic down into its chemical building blocks, potentially revolutionizing plastic recycling. The episode also explores the discovery of enzymes from waxworm larvae that degrade polyethylene, and highlights the challenges of plastic pollution and the limited recycling rates.

Millions of women around the world lack access to safe and hygienic menstrual products. But there are people trying to change that.We meet the British student who learned to sew in lockdown and started making reusable sanitary pads for refugees. She’s helped distribute tens of thousands of pads and is now training refugee women in Lebanon how to make money by sewing the pads themselves.We hear about a design project inspired by tea cups which has created an efficient way of washing reusable pads.And in India we meet the woman who is challenging the stigma around periods with a comic book that’s being read in thousands of schools around the country.Presenter: Myra Anubi Reporter: Lorna Acquah Producer: Lizzy McNeill Series producer: Tom Colls Sound mix: Annie Gardiner Editor: Richard Vadonemail: peoplefixingtheworld@bbc.co.ukImage: Reya, a student in Beirut who is sewing period pads

In the farming community of Los Negros in rural Bolivia, the river is their life and livelihood. So when that river started to dry up, it made life very hard. They blamed the villages upstream for not looking after their precious water.This conflict could have turned ugly. But with the support of a local charity, what came out of it instead was a ground-breaking agreement. After years of negotiations, the town at the bottom of the river agreed to support the communities upstream to protect their forests and keep the river healthy.The idea is now the blueprint for water sharing agreements between communities across the continent.Presenter: Myra Anubi Reporter: Jane Chambers Producer: Bob Howard Series producer: Tom Colls Sound mix: Hal Haines Editor: Penny MurphyEmail: peoplefixingtheworld@bbc.co.ukImage: Senor Rogelio Valverde sits by his water source

Heroin users in Scotland are being trained to spot when someone is about to overdose and to step in and help.The training – which includes lessons on how to use the antidote naloxone - is often led by people who have themselves been addicts.Taxi drivers and police officers are also being trained, and naloxone being widely distributed, as part of a push to save as many lives as possible.Reporter Craig Langran investigates whether the approach is working.Presenter: Myra Anubi Producer: Craig Langran Series producer: Tom Colls Sound mix: Annie Gardiner and Hal Haines Editor: Penny MurphyEmail: peoplefixingtheworld@bbc.co.ukImage: Wez, who trains heroin users how to administer naloxone

Discover fascinating fixes amid chaos and destruction. A hospital on a train treats Ukrainian civilians in a war zone. A mobile workshop repairs items in remote villages after disasters. A medical robot enters dangerous areas to treat the injured.

Meet the oceans’ unsung hero - the humble sea cucumber. An animal in the same family as starfish that looks like a lumpy sausage and lives on the ocean floor could help with some of the impact of global warming, pollution from fish farms and damage from the fishing industry that are threatening some of the oceans most important ecosystems.We meet the Australian researchers using drones to count the cucumbers to understand how their poo is helping coral reefs. And in Madagascar, we speak to the local communities which are learning to sustainably farm the creature, protecting the seas and increasing their income along the way.Repeat - originally broadcast in February 2023.Presenter: Myra Anubi Producer/Reporter: Lizzy McNeill Series producer: Tom Colls Sound mix: Annie Gardiner Editor: Penny MurphyEmail: peoplefixingtheworld@bbc.co.uk(Image: Sea cucumbers. Credit: Getty Images)

A group in Limerick patrols the River Shannon to speak with people in despair. US states consider a do-not-sell list for firearms to prevent suicides. Personal stories highlight the impact of restricting access to guns. The podcast challenges misconceptions about suicide and offers resources for help.