成人快手

The floating frontier - sea cities

How architects are planning to conquer the open ocean, plus a look around a floating town

• 18 mins

Why do we all own a lawnmower?

The rise of collaborative consumption and why sharing is good for business and the planet

• 18 mins

When green dreams meet reality

UK dilutes green housing plans as global cash woes continue to hurt eco-dreams

• 18 mins

Pumas and Pandas

The hidden cost of a pair of trainers, plus how to rent a panda

• 18 mins

Growing pains for population

Head of UN Population on world's carrying capacity and why control is out of tune

• 18 mins

The Vatican

The Vatican's new report on climate change, faith and science, and the Pope's solar panels

• 18 mins

Plastic waste and the begging robot

Plastic bottles, charitable giving and a robot that asks you for money

• 18 mins

The EU and the environment, plus the endless city

The EU's environment commissioner plus a look at urban growth around the world

• 18 mins

Asia - From Saver To Spender

Asia moves from saver to spender - changing the balance of global development

• 18 mins

At the Edge of Capitalism

The search for jobs, wealth and natural resources in the rainforests of Borneo

• 18 mins

Building a Nation

Development in a new country, South Sudan. Plus asking the poor for advice

• 18 mins

Carbon taxes, profits and a packet of crisps

Australia ignites the carbon tax debate, and China comes clean on its secret oil spill

• 18 mins

The battle over Welsh wind farms

Turbines are popping up around the world, but in the Welsh valleys, locals have had enough

• 18 mins

China 'green champion at home, but looter abroad'

Claims that China leads the green revolution at home, but lags behind abroad

• 18 mins

Hungary's Toxic Spill

We visit western Hungary and find out how the area hit by toxic sludge is recovering

• 18 mins

The $1bn Ganges project

Filthy and embarrassing, the Ganges needs help - we explore how the Thames can save it

• 18 mins

What slums can teach us

The world's slums are booming - so what can they teach us about enterprise and community?

• 18 mins

Is it time to embrace our slums?

For the second part of his series on slums, Paul Mason asks if they are here forever.

• 18 mins

Life under the Balkans

Three kilometres underground, the Dinaric Arc has been called Europe's Amazon forest.

• 18 mins

Obama leaves greens blue

The American president struggles to match his green aspirations with political reality.

• 18 mins

An Interview With Al Gore

The Nobel laureate talks false science, oil addiction and why victory is inevitable.

• 18 mins

On The Fracking Frontline

The critics and the defenders desperate to win the battle over shale gas.

• 18 mins

Forty Years On

It's 40 years since the birth of the green movement. How has it fared? We find out.

• 18 mins

More Than One Planet

What would we do if it turned out there was more than one planet like Earth?

• 18 mins

Forest fights and calming cities

The environmental battles over the paper industry, plus urban design and the London riots.

• 18 mins

The Search for Kyoto's Successor

Why we might not see a new deal on climate change until 2020.

• 18 mins

Seven Billion People

The world's population is due to hit seven billion next week - cause for joy or concern?

• 18 mins

Thailand's Floods

How Thailand is coping with its worst floods in decades.

• 18 mins

Asia's Next Disaster

A special debate from Bangkok on the future of disaster management in Asia.

• 18 mins

China, Banker to the World

How the world's most populous nation has become the world's favourite banker.

• 18 mins