Ciclovia: the weekly sporting event shutting roads across Colombia

Photo: Wikipedia via Creative Commons

Almost every Sunday morning for the past ten years, Carlos Andres Velez has taken his dog Annaid (Dianna spelled backwards) for a run in the middle of a busy highway in Medellin, Colombia’s second city.

He and Annaid join the throngs of joggers, cyclists, roller-skaters, strollers and lycra-clad posers, young and old, taking part in Ciclovia, a Spanish term meaning “cycleway”, which sees the city’s streets closed to cars for a few hours to let foot and pedal power take over the road.

“It helps me break my routine and I like the family atmosphere” says Velez, a consultant in his thirties, drinking from a plastic cup of freshly pressed orange juice at a roadside stall. “I spend my whole week at a desk and so it helps me relax too. During the week after I’ve done Ciclovia, I always feel better”.

First introduced to Medellin in 1984, Ciclovia (officially named Vías Activas y Saludables – “Healthy and Active Streets”)  was initially managed by the city’s transport body before being taken over by a newly created sports authority in the Nineties. But the event’s roots go further back: originating in Colombia’s capital, Bogota, in the 1970’s. Today, Ciclovia has spread to cities across Latin America – and even further afield.  

From what was, in its early days in Medellin, little more than a couple of kilometres set aside for cyclists and runners, Ciclovia now covers over 65km of streets across many city neighbourhoods. And as well as the popular Sunday runs, there are various night time closures allowing late night cycling up and down the Andean city’s steep valley walls, and special Ciclovia’s aimed at helping kids gain confidence in cycling on the road.

It’s not just city officials that make , but also community leaders and an army of green-clad volunteers that make Ciclovia possible, explains Claudia Ossa Velasquez, who runs a mayoral program promoting physical activity in the city. She lists various benefits of the scheme, such as improved health and fitness for participants, and providing a safe (and free) place for sport that encourages intermingling among citizens.


There’s also a veritable micro-economy that springs up along the roadsides during Sunday morning Ciclovias. Lining the streets are countless stands and vans selling fresh juices, fruit, coffees and snacks – around which a fair amount of nattering seems to take place. Bicycle mechanics also set up shop to provide fixes and sell chain oil, inner tubes, brake pads and other cycling paraphernalia.

Because it’s free of charge, there’s something very egalitarian about Ciclovia, and it doesn’t feel at all intimidating. There are of course plenty of lean runners and lycra-clad cyclists, but there are as many older caballeros out taking a stroll, kids whizzing around on BMX’s, and mums in Crocs and leggings pushing prams along the streets.

So, is this something we could see happening on British streets any time soon? Chris Scott is head of communications at London Sport, an organisation created to promote exercise in the capital which works closely with the Mayor’s office and other partners. “It [Ciclovia] is not a concept we’re directly familiar with,” he says, “but in principal it’s got some implications that organisations like ours would have an interest in seeing taking root in London”.

Scott notes the success of Prudential RideLondon, a spin-off from the 2012 Olympics, which, once a year, sees various roads across the capital closed to create a safe space for the public to cycle. However he admits “it would be ambitious” to expect something like Ciclovia to be organised at a city-wide level in London on a weekly basis.

While central London has seen significant improvement in cycling facilities in the last few years, Scott highlights that there’s a much bigger challenge in helping people to get active in the city’s outer boroughs, where car travel is more common. “In some ways, the bigger opportunity for initiatives like [Ciclovia] is in the outer boroughs, where it would encourage people to take to the streets who don’t yet have the confidence to do so”.

The scheme may not be about to take off in UK any time soon, but back in Medellin Carlos has finished his orange juice, and he and Annaid are heading off up the road and out of sight on their weekly run. 

 
 
 
 

The IPPC report on the melting ice caps makes for terrifying reading

A Greeland iceberg, 2007. Image: Getty.

Earlier this year, the Intergovernmental Panel on Climate Change (IPCC) – the UN body responsible for communicating the science of climate breakdown – released its long-awaited Special Report on the Ocean and Cryosphere in a Changing Climate.

Based on almost 7,000 peer-reviewed research articles, the report is a cutting-edge crash course in how human-caused climate breakdown is changing our ice and oceans and what it means for humanity and the living planet. In a nutshell, the news isn’t good.

Cryosphere in decline

Most of us rarely come into contact with the cryosphere, but it is a critical part of our climate system. The term refers to the frozen parts of our planet – the great ice sheets of Greenland and Antarctica, the icebergs that break off and drift in the oceans, the glaciers on our high mountain ranges, our winter snow, the ice on lakes and the polar oceans, and the frozen ground in much of the Arctic landscape called permafrost.

The cryosphere is shrinking. Snow cover is reducing, glaciers and ice sheets are melting and permafrost is thawing. We’ve known this for most of my 25-year career, but the report highlights that melting is accelerating, with potentially disastrous consequences for humanity and marine and high mountain ecosystems.

At the moment, we’re on track to lose more than half of all the permafrost by the end of the century. Thousands of roads and buildings sit on this frozen soil – and their foundations are slowly transitioning to mud. Permafrost also stores almost twice the amount of carbon as is present in the atmosphere. While increased plant growth may be able to offset some of the release of carbon from newly thawed soils, much will be released to the atmosphere, significantly accelerating the pace of global heating.

Sea ice is declining rapidly, and an ice-free Arctic ocean will become a regular summer occurrence as things stand. Indigenous peoples who live in the Arctic are already having to change how they hunt and travel, and some coastal communities are already planning for relocation. Populations of seals, walruses, polar bears, whales and other mammals and sea birds who depend on the ice may crash if sea ice is regularly absent. And as water in its bright-white solid form is much more effective at reflecting heat from the sun, its rapid loss is also accelerating global heating.

Glaciers are also melting. If emissions continue on their current trajectory, smaller glaciers will shrink by more than 80 per cent by the end of the century. This retreat will place increasing strain on the hundreds of millions of people globally who rely on glaciers for water, agriculture, and power. Dangerous landslides, avalanches, rockfalls and floods will become increasingly normal in mountain areas.


Rising oceans, rising problems

All this melting ice means that sea levels are rising. While seas rose globally by around 15cm during the 20th century, they’re now rising more than twice as fast –- and this rate is accelerating.

Thanks to research from myself and others, we now better understand how Antarctica and Greenland’s ice sheets interact with the oceans. As a result, the latest report has upgraded its long-term estimates for how much sea level is expected to rise. Uncertainties still remain, but we’re headed for a rise of between 60 and 110cm by 2100.

Of course, sea level isn’t static. Intense rainfall and cyclones – themselves exacerbated by climate breakdown – can cause water to surge metres above the normal level. The IPCC’s report is very clear: these extreme storm surges we used to expect once per century will now be expected every year by mid-century. In addition to rapidly curbing emissions, we must invest millions to protect at-risk coastal and low-lying areas from flooding and loss of life.

Ocean ecosystems

Up to now, the ocean has taken up more than 90 per cent of the excess heat in the global climate system. Warming to date has already reduced the mixing between water layers and, as a consequence, has reduced the supply of oxygen and nutrients for marine life. By 2100 the ocean will take up five to seven times more heat than it has done in the past 50 years if we don’t change our emissions trajectory. Marine heatwaves are also projected to be more intense, last longer and occur 50 times more often. To top it off, the ocean is becoming more acidic as it continues to absorb a proportion of the carbon dioxide we emit.

Collectively, these pressures place marine life across the globe under unprecedented threat. Some species may move to new waters, but others less able to adapt will decline or even die out. This could cause major problems for communities that depend on local seafood. As it stands, coral reefs – beautiful ecosystems that support thousands of species – will be nearly totally wiped out by the end of the century.

Between the lines

While the document makes some striking statements, it is actually relatively conservative with its conclusions – perhaps because it had to be approved by the 195 nations that ratify the IPCC’s reports. Right now, I would expect that sea level rise and ice melt will occur faster than the report predicts. Ten years ago, I might have said the opposite. But the latest science is painting an increasingly grave picture for the future of our oceans and cryosphere – particularly if we carry on with “business as usual”.

The difference between 1.5°C and 2°C of heating is especially important for the icy poles, which warm much faster than the global average. At 1.5°C of warming, the probability of an ice-free September in the Arctic ocean is one in 100. But at 2°C, we’d expect to see this happening about one-third of the time. Rising sea levels, ocean warming and acidification, melting glaciers, and permafrost also will also happen faster – and with it, the risks to humanity and the living planet increase. It’s up to us and the leaders we choose to stem the rising tide of climate and ecological breakdown.

Mark Brandon, Professor of Polar Oceanography, The Open University.

This article is republished from The Conversation under a Creative Commons license. Read the original article.