Ways to make our planet greener.
On a remote peninsular in the Arctic circle, something strange is happening under the ground.
Joy and her family are among two million Nigerians living within 4km of a gas flare in Nigeria's oil-rich south.
Will we ever really be able to get rid of plastic?
In Karachi, Pakistan, one entrepreneur is on a mission to plant urban forests to cope with rising temperatures.
The Frozen Zoo in San Diego aims to save endangered animals from extinction.
In Papua, Indonesia, there is a mangrove forest that only women are allowed to enter.
Ancient Judean palm tree, a symbol of life and prosperity in biblical times, is resurrected after 2,000 years.
Could reviving a creature that has been extinct for thousands of years help secure our planet's future?
Kotchakorn Voraakhom, a landscape architect, offers advice on living a more sustainable life at home.
An entire village in Gwynedd will be displaced by the threat of sea-level rise and coastal flooding.
An investigation into a palm oil giant buying up Asia’s largest remaining rainforest.
As unprecedented wildfires rage across the Golden State, Californians have been bearing the brunt.
The UK drinks over 100 million mugs of tea every day, but what do our teabags really contain?
Climate change: Rising sea levels in Fiji create 'ghost towns'
The fires, fuelled by abnormally high temperatures, have been burning as far north as the Arctic Circle.
Paris is rethinking its future. Ideas range from a ban on cars to a new '15-minute city'.
Scientists are warning about the consequences of vast swathes of ground thawing in Siberia.
The humble toilet roll is a relatively recent invention, so why are Westerners firmly attached to using paper?
The Indonesian capital is the world’s fastest sinking city. Now the government wants to relocate it.
The surprising consequences of giving rivers legal rights.
A metro station in the bustling capital of South Korea is home to a new kind of smart farm.
Scientists have found that particles of plastic are falling out of the sky with snow in the Arctic.
Is there any prospect of an improvement for the Black Sea?
Delhi residents desperate for a breath of fresh air are turning to an "oxygen bar".
The surprising history of an item invented to save the environment, not destroy it
Could buildings like Bosco Verticale help tackle pollution and improve people's health?
A unique community project in a Ugandan slum aims to stop poverty and improve the environment.
The world's largest hurricane simulator tests building materials and designs against hurricane-strength winds.
Chennai is India's sixth largest city, but its residents are relying on trucks and trains to bring them water.
The man helping to save Senegal's mangroves
The tiny island of Vanuatu in the South Pacific is waging war on plastic, one piece at a time.
Plant-based alternatives and lab-grown meat are aiming to remove the need for animal husbandry.
People across Japan have started taking lessons in the art of electronic repair.
Five zoo-born rhinos have been transported from Europe to Africa, for a journey of 6,000km (3,700 miles).
Are electric engines the solution to tackle the aerospace contribution to greenhouse gas emission?
Scientists say they will be able to identify where a piece of wood is from to the nearest 10km.
There are 6,500 sinkholes in the areas that were once the Dead Sea.
Colombian farmers are piloting a way of raising cows that's better for the environment.
'The grown-ups have already done so much to deteriorate the environment.'
The BBC's Reality Check team look at common worries about electric cars.
A total of 187 billion nappies are thrown away each year, but nappies are hard to recycle.
In Korea, one group of farmers is adapting to climate change by growing new crops.
Paris is one of the most densely populated city in the EU with relatively few green spaces.
One company in Sweden repurposes old clothing for the fashion industry.
Orkney's remote position makes it an ideal place to test new forms of energy.
How one company is turning sewer fat into biodiesel.
These street children are being educated with the help of special 'solar bags'.
A novel plan to house homeless families in back gardens.
A man in Kolkata, India turned a landfill site into a crop field.
Leaving your car at home can now earn you rewards.
How one company is turning trash into cash.