The solution is under our noses: We need more cycling in Britain

Today 27 per cent of journeys in Holland are made by bike - while in Britain the figure is as low as 2 per cent. But cycling could help us achieve our 2050 carbon targets, and take the strain off the NHS.

As water rushes over parts of the UK and the USA recovers from its "Polar Vortex", the climate change debate has returned with a vengence. Correlating directly with our use of fossil fuels, up to 97 per cent of climate science papers now agree that climate change is a problem, and that the world is getting warmer. Comments by figures such as Jeremy Clarkson and Donald Trump calling climate change "science fiction" and "global warming bullshit" look more ridiculous than ever.

But what can we do about it? Although UK cycling has received some bad press in recent months after a spate of deaths in the capital, encouraging more people to cycle seems a remarkably obvious way to help to reduce our carbon emissions and save energy – and is something that is supported by all the major political parties. At least on paper. The transport sector is responsible for a large number of UK emissions, and by limiting them through the use of alternative transport methods the impact could be significantly lower.

On this front, some European countries are well ahead of the curve. Holland, Denmark and Germany all have transport systems that revolve around the use of bicycles. In Holland especially, bikes are everywhere, lining the streets, chained up en masse outside train stations in spaces as large as car parks, and taking precedence on the roads. This healthy relationship with cycling began after protests sparked by the deaths of children on the roads and the 1980s oil crisis led to the introduction of car-free areas in city centres and the rebuilding of roads to encompass separate lanes. Today 27 per cent of journeys in Holland are made by bike.

A 2011 study by the European Cyclists’ Federation, Cycle More Often 2 Cool The Planet, argued “if levels of cycling in the EU-27 were equivalent to those found in Denmark, bicycle use would help achieve 12 to 26 per cent of the 2050 target reduction set for the transport sector.” At the moment, the UK is falling well short, with around 2 per cent of all journeys being taken on bikes by comparison with the Danes' 16 per cent. But that could change: cycling in the UK has a risen by a fifth over the past 10 years.

Speaking to Martin Key from British Cycling, the national governing body for cycling in Great Britain, the wider picture is revealed. While stating that these are “rough calculations”, Key tells me “transport is the single biggest emitter of Co2 (21 per cent of UK emissions)”.

He expands, saying that if we increased the amount we cycle by 500 per cent by 2025, which is “the recommended target of the ‘Get Britain Cycling’ report (which says 10 per cent of all journeys should be made by bike)”, then we would eventually save “10 million tons of Co2 (25 billion miles at 400g of Co2 per mile driven).”

It is in cutting small car journeys and commuter miles where the most energy would be saved – almost a fourth of car journeys made in the UK are under a mile. Despite the imperfect environment for cycling in London, since 2010 "Boris bikes" (or "Ken bikes" as they should properly be called, having been originally planned by the previous mayor) have done a lot to promote inner city commuter cycling – mirroring the 2007 Vélib scheme in Paris.

Boris has promised a "cycling revolution", but little impact has been felt beyond London. A nation-wide scheme would be more appropriate in terms of significantly cutting down on energy usage. Of course there needs to be expenditure in the first instance, but as can be seen in a recent study on town-wide cycling initiatives in England, the social and environmental benefits offset the negatives.

Of course, cycling won’t just benefit the environment: it would lower obesity levels and related illnesses. If the UK can get it right, and create a system comparable to the Netherlands', where despite having the highest proportion of cyclists, they also have the lowest number of cycling fatalities, the benefits to UK carbon output and society as a whole would be enormous.

A lone cyclist on Southwark Bridge. Photograph: Getty Images.
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#Match4Lara: Lara has found her match, but the search for mixed-race donors isn't over

A UK blood cancer charity has seen an "unprecedented spike" in donors from mixed race and ethnic minority backgrounds since the campaign started. 

Lara Casalotti, the 24-year-old known round the world for her family's race to find her a stem cell donor, has found her match. As long as all goes ahead as planned, she will undergo a transplant in March.

Casalotti was diagnosed with acute myeloid leukaemia in December, and doctors predicted that she would need a stem cell transplant by April. As I wrote a few weeks ago, her Thai-Italian heritage was a stumbling block, both thanks to biology (successful donors tend to fit your racial profile), and the fact that mixed-race people only make up around 3 per cent of international stem cell registries. The number of non-mixed minorities is also relatively low. 

That's why Casalotti's family launched a high profile campaign in the US, Thailand, Italy and the US to encourage more people - especially those from mixed or minority backgrounds - to register. It worked: the family estimates that upwards of 20,000 people have signed up through the campaign in less than a month.

Anthony Nolan, the blood cancer charity, also reported an "unprecedented spike" of donors from black, Asian, ethcnic minority or mixed race backgrounds. At certain points in the campaign over half of those signing up were from these groups, the highest proportion ever seen by the charity. 

Interestingly, it's not particularly likely that the campaign found Casalotti her match. Patient confidentiality regulations protect the nationality and identity of the donor, but Emily Rosselli from Anthony Nolan tells me that most patients don't find their donors through individual campaigns: 

 It’s usually unlikely that an individual finds their own match through their own campaign purely because there are tens of thousands of tissue types out there and hundreds of people around the world joining donor registers every day (which currently stand at 26 million).

Though we can't know for sure, it's more likely that Casalotti's campaign will help scores of people from these backgrounds in future, as it has (and may continue to) increased donations from much-needed groups. To that end, the Match4Lara campaign is continuing: the family has said that drives and events over the next few weeks will go ahead. 

You can sign up to the registry in your country via the Match4Lara website here.

Barbara Speed is a technology and digital culture writer at the New Statesman and a staff writer at CityMetric.