成人快手

Ways to save the planet: Using the sun

Using floating solar panels and a see-through pyramid to help the climate

• 24 mins

Food waste: The solar dryer solution

A simple system for saving food and empowering women

• 24 mins

How to make electricity for your neighbours

The energy microgrid that started with scrap metal and an old bicycle

• 25 mins

Creating an alternative gig economy

Meet the innovators who want to change gig work for the better

• 23 mins

The moo loo and other stories

Training cows to use the toilet and a bouncy castle that fights climate change

• 23 mins

The forest sound detectives

How scientists check the health of a forest by listening to it

• 24 mins

Catching up with our solution seekers

How are Covid dogs, a sturdy bicycle scheme and balloons beaming the internet getting on?

• 24 mins

Making clean water with rubbish

The chemist using old bones and food waste to make clean drinking water

• 24 mins

How to fight fake health news

Can playing a video game 鈥榠noculate鈥� your mind against medical misinformation?

• 23 mins

Using VR to change lives

How virtual reality is helping tackle phobias and resolve conflict

• 27 mins

The house that fights malaria

Innovative ideas in the battle against mosquitos

• 24 mins

Training police to patrol each other

How do you get officers to step in to prevent acts of police brutality?

• 23 mins

Violent partners: The 鈥榳indow鈥� strategy

How Iceland pioneered a new approach to domestic violence

• 25 mins

Prison Voicemail: Messages from behind bars

Prisoners and their families are keeping in touch with the Prison Voicemail app

• 23 mins

Insects fixing the world

How flies and bugs can help solve the planet鈥檚 problems

• 25 mins

Using haircuts to fight oil spills

How old hair is being used to help the planet

• 29 mins

Making hospitals less stressful

How leaves, lights, sounds and goats can improve patient health

• 24 mins

How to make fishing nets less destructive

Using underwater sounds and lights so only the fish we want to eat get caught

• 24 mins

Saving California鈥檚 butterflies

How rearing butterflies by hand is bringing them back from the brink

• 23 mins

Turning tyres into cheap fuel & football pitches

The entrepreneurs using clever chemistry to turn scrap rubber into fuel and car tyres

• 23 mins

Sponge cities that fight flooding

How cities are embracing nature to prevent flooding

• 23 mins

Work: Access for all

We look at workplaces that have welcomed people with learning disabilities on to the team

• 24 mins

Using lotteries to make us better people

The lotteries that nudge people to take medicine, pick up litter or pay their taxes

• 24 mins

Turning mud into 鈥榗lean鈥� concrete

The man whose special powder turns waste soil into buildings

• 24 mins

Helping teenagers become good mums

Innovative projects around the world are trying to help teenage mums

• 24 mins

Safer cities for women

How can you stop women being harassed in the street?

• 24 mins

The library where the books are people

Borrow a stranger for a half-hour chat to challenge your prejudices

• 24 mins

Racing to get kids reading

How a race to write books and a gadget that counts words are helping child literacy

• 24 mins

Getting kids out of institutions

Meet the people finding families for some of the 5 million children living in care

• 24 mins

The future of wind power

How floating wind turbines and power-generating kites could help fight climate change

• 24 mins