Bitcoin’s high energy consumption is a concern – but it may be a price worth paying
Steven Huckle, University of Sussex Bitcoin recently turned ten years old. In that time, it has proved revolutionary because it ignores the need for modern…
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Next-gen Nukes
Back in 2009, Simon Irish, an investment manager in New York, found the kind of opportunity that he thought could transform the world while —…
Better data would help crack the drought insurance problem
While drought policy raises many complex emotional, political and policy issues, it can be helpful to think of it as an insurance problem: how can…
Analysis: fossil-fuel emissions in 2018 increasing at fastest rate for seven years
Hopes that global CO2 emissions might be nearing a peak have been dashed by preliminary data showing that output from fossil fuels and industry will…
Is clean energy funding from the UN’s green climate fund and other sources going where it’s needed most?
Most of rural Africa still has no electricity, and tens of millions of families must cook on open fires and light their homes with candles…
From fiery ice to sustainable aviation: the biofuel race becomes creative
The search for alternative fuels struck lucky off the coast of Japan recently. Under the water and below the seabed are pockets of methane, trapped…
Porto Flavia: where wilderness meets design
“This is not a coal mine but a sea harbour,” this is how the Sardinian Geopark guides typically introduce Porto Flavia to tourists and visitors….
Cyber-crime is smarter than energy
With the proliferation of smart grids, smart meters, “digital coal mine” and “digital oil fields,” the global energy sector is becoming increasingly interconnected, automated and…
Plastic is here, there and everywhere
It had to happen sooner or later: the ocean contains plastic, the fish contain plastic, and now the plastic also arrives in the water we…
…From little acorns grow
Despite over ten years of trying, and numerous political initiatives at the national and EU level, carbon capture and storage (CCS) has yet to take…
São Domingos
The São Domingos Mine is an abandoned open-pit mine in Alentejo’s Corte do Pinto, the first place in Portugal to have electric lighting. The Romans mined in the São Domingos area…
How to suck carbon dioxide from the sky for fuels and more
Someday, the gasoline you buy might trace its heritage to carbon dioxide pulled straight out of the sky rather than from oil pumped out of…
‘Climate Gentrification’ Will Deepen Urban Inequality
A new study investigates the intersection of climate change and real estate, and finds that higher elevations bring higher values. It’s no surprise that a list…
So what does a smart city really look like?
Smart city expert Lean Doody says the technology should be a tool to deliver a sustainable city. Rapid urbanisation is one of the most important…
‘Electrogeochemistry’ captures carbon, produces fuel, offsets ocean acidification
Limiting global warming to 2 degrees Celsius will require not only reducing emissions of carbon dioxide, but also active removal of carbon dioxide from the…