Travel Touch base: the portable loos on Aconcagua

The man who pays his way

Sunrise for Npower

Obituary: Professor Robert Hill

THE WORLD of alternative energy has lost one of its leading exponents with the sudden death of Robert Hill. His expertise on solar energy and photovoltaic technologies was recognised world-wide.

Comment: She's addicted to sleaze

Mary Archer has not merely put up with a horrible husband; she has actually profited from his behaviour

Fast Forward: Let there be light

We may not get enough sun to power a whole house economically, but many gadgets will thrive on just a few rays

`Too late to stop global warming'

Alarm as the world's leading environmentalist issues an unprecedented doomsday warning

Shopping & Design: Everything under the sun

We may not yet be driving solar-powered cars, but there are plenty of other uses for the sun's energy.

Solar roof makes 350 cuppas and 800 slices of toast a day

OUT ON THE TILES: THE MAN MAKING THE MOST OF THE SUNSHINE

Solar roof brews 350 cuppas a day

HOW MANY people believe solar energy is a great idea but that it couldn't possibly work in gloomy Britain? No one knows for sure, but Dr Jeremy Leggett thinks he has the evidence to convert a lot of Doubting Thomases. His solar-panelled house is so efficient it is providing the local electricity board with "green power".

Fast forward: Garden gadgets - Lawn and order

Back yard demanding attention? Martin Skegg and Michael Oliveira- Salac offer some cutting-edge accessories

Labour rows back on wind power pledge

THE GOVERNMENT has been accused of ditching its manifesto commitment to boost wind and solar energy after it emerged that the policy had become mired in a Whitehall "turf war".

Russia's man-made sun begins to shine

EMINENT scientists and astronomers are dismayed at Russian plans to unveil a mirror in space which could reflect sunlight onto the Earth during the night.

American Association: Extraterrestrial Life - Secret oceans may lie on distant moons

ONE OF the most distant objects in the solar system has been identified as a possible haven for extraterrestrial life. Scientists believe that Charon, the moon of Pluto, has an ocean under its ice-covered surface where microbes could have evolved.

American Association: Extraterrestrial Life - Secret oceans cover moons of Pluto

ONE OF the most distant objects in the solar system has been identified as a possible haven for extraterrestrial life. Scientists believe that Charon, the moon of Pluto, has an ocean under its ice-covered surface where microbes could have evolved.
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General Election 2015: The masterminds behind the scenes

The masterminds behind the election

How do you get your party leader to embrace a message and then stick to it? By employing these people
Machine Gun America: The amusement park where teenagers go to shoot a huge range of automatic weapons

Machine Gun America

The amusement park where teenagers go to shoot a huge range of automatic weapons
The ethics of pet food: Why are we are so selective in how we show animals our love?

The ethics of pet food

Why are we are so selective in how we show animals our love?
How Tansy Davies turned 9/11 into her opera 'Between Worlds'

How a composer turned 9/11 into her opera 'Between Worlds'

Tansy Davies makes her operatic debut with a work about the attack on the Twin Towers. Despite the topic, she says it is a life-affirming piece
11 best bedside tables

11 best bedside tables

It could be the first thing you see in the morning, so make it work for you. We find night stands, tables and cabinets to wake up to
Italy vs England player ratings: Did Andros Townsend's goal see him beat Harry Kane and Wayne Rooney to top marks?

Italy vs England player ratings

Did Townsend's goal see him beat Kane and Rooney to top marks?
Danny Higginbotham: An underdog's tale of making the most of it

An underdog's tale of making the most of it

Danny Higginbotham on being let go by Manchester United, annoying Gordon Strachan, utilising his talents to the full at Stoke and plunging into the world of analysis
Audley Harrison's abusers forget the debt he's due, but Errol Christie will always remember what he owes the police

Steve Bunce: Inside Boxing

Audley Harrison's abusers forget the debt he's due, but Errol Christie will always remember what he owes the police
No postcode? No vote

Floating voters

How living on a houseboat meant I didn't officially 'exist'
Louis Theroux's affable Englishman routine begins to wear thin

By Reason of Insanity

Louis Theroux's affable Englishman routine begins to wear thin
Power dressing is back – but no shoulderpads!

Power dressing is back

But banish all thoughts of Eighties shoulderpads
Spanish stone-age cave paintings 'under threat' after being re-opened to the public

Spanish stone-age cave paintings in Altamira 'under threat'

Caves were re-opened to the public
'I was the bookies’ favourite to be first to leave the Cabinet'

Vince Cable interview

'I was the bookies’ favourite to be first to leave the Cabinet'
Election 2015: How many of the Government's coalition agreement promises have been kept?

Promises, promises

But how many coalition agreement pledges have been kept?
The Gaza fisherman who built his own reef - and was shot dead there by an Israeli gunboat

The death of a Gaza fisherman

He built his own reef, and was fatally shot there by an Israeli gunboat