Travel Touch base: the portable loos on Aconcagua

The man who pays his way

Wedding lists go green as couples tie knot later in life

Solar panels, water butts and charitable gifts are taking the place of toast racks and china tea sets

Castles in the air: The world's greatest treehouses

There's nothing new about building a house in the trees. But the creators of these extraordinary examples are taking things to a different level.

<i>IoS</i> letters, texts & messages (25 October 2008)

It may seem reassuring to be told that we can borrow our way out of a debt crisis, but as someone who works in the health service and has benefited from the education system, I think this latest act of borrowing from our children shouldbe designed to help their future rather than our current needs ("Brown to splash billions on schools and hospitals", 19 October).

Milton Keynes: best property in Britain?

Graham Norwood discovers why a Wimpey development in Milton Keynes could be named the best building in Britain

How much energy-saving help can you expect to get?

What has happened?

Solar panels 'take 100 years to pay back installation costs'

Solar panels are one of the least cost-effective ways of combating climate change and will take 100 years to pay back their installation costs, the Royal Institution of Chartered Surveyors (Rics) warned yesterday.

How to turn water into rocket fuel &ndash; scientists unlock power of the sun

Scientists have devised a cheap and simple method of turning water into rocket fuel using solar power in a development that could generate a new source of green energy for the home and workplace.

Grass ceiling: How corporate culture is going green

It's got intelligent lighting, low-energy air-con and London's biggest living roof. But this is no eco charity HQ

New windows double as solar panels

A new type of solar panel that allows light to pass through it like a pane of glass has been invented by scientists who said that it is 10 times more powerful than conventional methods of producing energy from sunlight.

Bionic bra: Victoria's circuit

Looking for a better way to charge her iPod on the go, Adrienne So had an idea &ndash; could she invent a bionic bra to harness the energy of her bouncing breasts?

Sailor completes 4,800-mile voyage in wave-powered boat

A Japanese adventurer has completed a three-month journey from Hawaii to Japan in a boat powered by the energy of ocean waves. The 4,800-mile voyage, which began in Honolulu in March, ended as Kenichi Horie's three-ton yacht docked in Wakayama in western Japan late Friday night.

Overseas: Buying abroad? Go green

Before you buy a second home overseas, look at the eco-friendly options

Fairy-tale town of Marburg up in arms over decree on solar panels

The university town of Marburg is where the Brothers Grimm collected many of their fairy tales, and the cobbled streets and medieval buildings look like they could have come straight out of one of their illustrated children's books.

Neighbours hit boiling point as solar panels are put in the shade

Who wins the prize for environmental correctness – the California couple who planted eight redwoods in their Silicon Valley backyard over the past 12 years, or their neighbours, who drive an electric car and boast solar energy-generating panels on their roof?

How green is my house? MPs embrace eco-home movement

A growing number of politicians are embracing the eco-home movement, using their houses to bolster their green credentials.

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Jeb Bush vs Hillary Clinton: The power dynamics of the two first families

Jeb Bush vs Hillary Clinton

Karen Tumulty explores the power dynamics of the two first families
Stockholm is rivalling Silicon Valley with a hotbed of technology start-ups

Stockholm is rivalling Silicon Valley

The Swedish capital is home to two of the most popular video games in the world, as well as thousands of technology start-ups worth hundreds of millions of pounds – and it's all happened since 2009
Did Japanese workers really get their symbols mixed up and display Santa on a crucifix?

Crucified Santa: Urban myth refuses to die

The story goes that Japanese store workers created a life-size effigy of a smiling "Father Kurisumasu" attached to a facsimile of Our Lord's final instrument of torture
Jennifer Saunders and Kate Moss join David Walliams on set for TV adaptation of The Boy in the Dress

The Boy in the Dress: On set with the stars

Walliams' story about a boy who goes to school in a dress will be shown this Christmas
La Famille Bélier is being touted as this year's Amelie - so why are many in the deaf community outraged by it?

Deaf community outraged by La Famille Bélier

The new film tells the story of a deaf-mute farming family and is being touted as this year's Amelie
10 best high-end laptops

10 best high-end laptops

From lightweight and zippy devices to gaming beasts, we test the latest in top-spec portable computers
Michael Carberry: ‘After such a tough time, I’m not sure I will stay in the game’

Michael Carberry: ‘After such a tough time, I’m not sure I will stay in the game’

The batsman has grown disillusioned after England’s Ashes debacle and allegations linking him to the Pietersen affair
Susie Wolff: A driving force in battle for equality behind the wheel

Susie Wolff: A driving force in battle for equality behind the wheel

The Williams driver has had plenty of doubters, but hopes she will be judged by her ability in the cockpit
Adam Gemili interview: 'No abs Adam' plans to muscle in on Usain Bolt's turf

'No abs Adam' plans to muscle in on Usain Bolt's turf

After a year touched by tragedy, Adam Gemili wants to become the sixth Briton to run a sub-10sec 100m
Calls for a military mental health 'quality mark'

Homeless Veterans campaign

Expert calls for military mental health 'quality mark'
Racton Man: Analysis shows famous skeleton was a 6ft Bronze Age superman

Meet Racton Man

Analysis shows famous skeleton was a 6ft Bronze Age superman
Garden Bridge: St Paul’s adds to £175m project’s troubled waters

Garden Bridge

St Paul’s adds to £175m project’s troubled waters
Stuff your own Christmas mouse ornament: An evening class in taxidermy with a festive feel

Stuff your own Christmas mouse ornament

An evening class in taxidermy with a festive feel
Joint Enterprise: The legal doctrine which critics say has caused hundreds of miscarriages of justice

Joint Enterprise

The legal doctrine which critics say has caused hundreds of miscarriages of justice
Freud and Eros: Love, Lust and Longing at the Freud Museum: Objects of Desire

Freud and Eros

Love, Lust and Longing at the Freud Museum