Sport Sir Jackie Stewart feels that the change of engines in Formula One is a step in the right direction

The Scot feels the sport needs to 'demonstrate our technology is ecologically sound' with switch to 1.6-litre V6 turbo-charged engines

Is this the greenest house in Britain?

It's self-electricity-generating, water-recycling, volcanic-rock-faced, low-flush toileted - and belongs to an MP

Diary Of An Eco-Builder

Innovations in design and changes in our behaviour can work together to create new worlds

Welcome to the super-club

Angela Merkel: 'We need to elicit a yearning for the sea, a need to build'

From an election address by the leader of the German Christian Democrats, given at a party conference in Dortmund, North Rhine-Westphalia

Nun's killing prompts Brazil to establish rainforest reserves

Brazil's president has ordered the creation of a huge Amazon rainforest protection area less than a week after an American nun who was trying to protect the area and its inhabitants was gunned down.

Letter: Transports of love

Sir: Is a 4x4 really a suitable gift for Valentine's Day (The Insider, Save&Spend, 5 February)? And labelling it "friendly"? Dangerous and selfish, more like. If your reader's "love" insists on transport, I suggest a tandem: environmentally friendly and made for two.

Activists force vote over BP's Arctic ambitions

Environmentalists will again descend on BP's annual general meeting next week, demanding that the oil giant stay out of "protected and sensitive areas".

Voices
On the last day of campaigning before the polling booths open, the SNP leader has written to voters in a final attempt to convince them to vote for independence
voicesIs a huge gamble on oil keeping the First Minister up at night?
Life and Style
tech

Apple has been hit by complaints about the 1.1GB download

Arts and Entertainment
Pointless host Alexander Armstrong will voice Danger Mouse on CBBC
tv

Much-loved cartoon character returns - without Sir David Jason

Arts and Entertainment
Liam Neeson said he wouldn't
tv

Liam Neeson's Downton dreams

Arts and Entertainment
Actor and director Zach Braff
tv

News
i100
Arts and Entertainment
Rosalind Buckland, the inspiration for Cider with Rosie died this week
booksBut what is it like to be the person who inspires a classic work of art?
Arts and Entertainment
tv

News
i100
Arts and Entertainment
The former Doctor Who actor is to play a vicar is search of a wife
film

Matt Smith is set to join cast of the Jane Austen classic - with a twist

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Prices correct as of 17 September 2014
Mystery of the Ground Zero wedding photo

A shot in the dark

Mystery of the wedding photo from Ground Zero
His life, the universe and everything

His life, the universe and everything

New biography sheds light on comic genius of Douglas Adams
Save us from small screen superheroes

Save us from small screen superheroes

Shows like Agents of S.H.I.E.L.D are little more than marketing tools
Reach for the skies

Reach for the skies

From pools to football pitches, rooftop living is looking up
These are the 12 best hotel spas in the UK

12 best hotel spas in the UK

Some hotels go all out on facilities; others stand out for the sheer quality of treatments
These Iranian-controlled Shia militias used to specialise in killing American soldiers. Now they are fighting Isis, backed up by US airstrikes

Widespread fear of Isis is producing strange bedfellows

Iranian-controlled Shia militias that used to kill American soldiers are now fighting Isis, helped by US airstrikes
Topshop goes part Athena poster, part last spring Prada

Topshop goes part Athena poster, part last spring Prada

Shoppers don't come to Topshop for the unique
How to make a Lego masterpiece

How to make a Lego masterpiece

Toy breaks out of the nursery and heads for the gallery
Meet the ‘Endies’ – city dwellers who are too poor to have fun

Meet the ‘Endies’ – city dwellers who are too poor to have fun

Urbanites are cursed with an acronym pointing to Employed but No Disposable Income or Savings
Paisley’s decision to make peace with IRA enemies might remind the Arabs of Sadat

Ian Paisley’s decision to make peace with his IRA enemies

His Save Ulster from Sodomy campaign would surely have been supported by many a Sunni imam
'She was a singer, a superstar, an addict, but to me, her mother, she is simply Amy'

'She was a singer, a superstar, an addict, but to me, her mother, she is simply Amy'

Exclusive extract from Janis Winehouse's poignant new memoir
Is this the role to win Cumberbatch an Oscar?

Is this the role to win Cumberbatch an Oscar?

The Imitation Game, film review
England and Roy Hodgson take a joint step towards redemption in Basel

England and Hodgson take a joint step towards redemption

Welbeck double puts England on the road to Euro 2016
Relatives fight over Vivian Maier’s rare photos

Relatives fight over Vivian Maier’s rare photos

Pictures removed from public view as courts decide ownership
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‘Fashion has to be fun. It’s a big business, not a cure for cancer’

Donatella Versace at New York Fashion Week