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Towards the many small, not the few big

man standing at a vintage gas station in the United States, in Walentina
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We love to see vintage gas stations, but the world needs more electric vehicle charge points, small solutions so we can think big,

A new study from multiple research centers has concluded that spending billions in infrastructure and for biga changes is not better than thinking small. What the world needs right now is for us to install heat pumps in our homes, create solar panel in our homes and electricity networks they can run on; electric vehicles need charging stations, and insulation products need buildings. We don’t need new green buildings or new ways of doing everything. We need to approach the small. Everything counts in large amounts.

Innovations ranging from home heat pumps to solar panels to electric bikes have lower investment risks, greater potential for improvement in both cost and performance, and more scope for reducing energy demand – key attributes that will help accelerate progress on decarbonization.

In order to meet international climate targets, emissions of greenhouse gases need to halve within the next decade and reach net-zero around mid-century. To do this will require an unprecedented and rapid transformation in the way energy is supplied, distributed, and used.

Researchers from IIASA, the Tyndall Centre for Climate Change Research at the University of East Anglia (UEA), and the University Institute of Lisbon, collected data on a wide variety of energy technologies at different scales and then tested how well they performed against nine characteristics of accelerated low-carbon transformation such as cost, innovation, and accessibility.

Lumpy or granular thinking?

They then asked whether it is better to prioritize large-scale, costly, non-divisible or “lumpy” technologies, such as nuclear power, carbon capture and storage, high-speed transit systems, and whole-building retrofits, or to focus on more “granular” options, which are smaller in size, lower in cost, and more modular, so they scale not by becoming bigger but by replicating.

Examples of these more granular technologies include solar panels, electricity storage batteries, heat pumps, smart thermostats, electric bikes, and shared taxis or ‘taxi-buses’.

smog cleaning bikes
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Electric bikes are better than huge new systems to move us around cities. How about these bikes that clean smog?

Their findings, which were published in the journal Science, shows that subject to certain conditions, more granular alternatives outperform larger scale technologies in a number of important ways.

Lead researcher Charlie Wilson, who is jointly associated with the IIASA Transitions to New Technologies Program and UEA, says, “A rapid proliferation of low-carbon innovations distributed throughout our energy system, cities, and homes can help drive faster and fairer progress towards climate targets.

“We find that big new infrastructure costing billions is not the best way to accelerate decarbonization. Governments, firms, investors, and citizens should instead prioritize smaller-scale solutions that deploy faster. This means directing funding, policies, incentives, and opportunities for experimentation away from the few big and towards the many small.”

As well as being quick to deploy, smaller scale technologies have shorter lifespans and are less complex, so innovations and improvements can be brought to market more rapidly. They are also more widely accessible and help create more jobs, giving governments a sound basis for strengthening climate policies.

“Large ‘silver bullet’ technologies like nuclear power or carbon and capture storage are politically seductive, but larger scale technologies and infrastructures absorb large shares of available public resources without delivering the rapid decarbonization we need,” explains IIASA Emeritus Scholar and study coauthor Arnulf Grubler.

The researchers emphasize that smaller scale technologies are not a universal solution. In some situations, there are no like-for-like alternatives to large-scale technologies and infrastructure such as aircraft flying long haul, or industrial plants producing iron, steel, and cement.

In other situations, large numbers of smaller scale technologies need to integrate within existing infrastructure: widespread deployment of heat pumps and solar panels needs electricity networks, electric vehicles need charging stations, and insulation products need buildings.

“Smaller scale innovations are not a panacea,” added coauthor Nuno Bento, of the University Institute of Lisbon. “In many different contexts they however outperform larger-scale alternatives as a means of accelerating low-carbon transformation to meet global climate targets.”

The post Towards the many small, not the few big appeared first on Green Prophet .

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