AIR
Adaptive Air Control
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Determining if particular extreme hot or cold spells were caused by climate change could be made easier by a new mathematical method.
The statistical method, developed by physicists at the University of Reading and Uppsala University in Sweden, looks at the characteristics, or “fingerprints,” of a specific extreme weather event of interest, like a heatwave, in order to ascertain whether it can be attributed to natural climate variability of the climate or is a unique product of global warming.
The method also allows predictions to be made about how likely extreme climate events will be in the future.
Three groundbreaking ideas for the future of high-speed rail travel in Europe have been proposed by a number of companies. Hyperloop, Maglev trains and a single European railway area have been suggested as climate-friendly options to transform mobility on the continent in years to come. Spanish company Zeleros want to build a scalable hyperloop system capable of connecting cities in a matter of minutes, achieving speeds of 1,000km/h with zero emissions. Maglev trains have been suggested by Polish company Nevomo as a more imminent European rail transformation, with the aim of implementing hyperloop once the technology is ready.
“A new study suggests that if Europe planted trees across all the land suitable for reforestation, it might not only sequester carbon but also partially ameliorate the increasingly dry European summers predicted by climate change models.”
Plant more trees! This message has been one of the cornerstones of the European response to worsening climate change. A new study published in Nature Geoscience suggests that if Europe planted trees across all the land suitable for reforestation, it might not only sequester carbon, but also partially ameliorate the increasingly dry European summers predicted by climate change models. In all, mass reforestation could increase summer rainfall by an average of 7.6%.
“When planned carefully, reforestation could result in additional benefits in regions where it is implemented,” said Ronny Meier, a researcher at the Swiss Federal Institute of Technology, Zurich (ETH Zürich), and lead author on the study.
Scientists have long identified a link between forests and rainfall, with scientists in the 1850s expressing alarm at reduced rainfall following deforestation. The exact mechanisms of this relationship are, however, still not fully understood. Meier and his colleagues used data from 3,481 rain-gauge stations across Europe to build a statistical model linking forest cover and rainfall levels. The research team then used the model to predict how much rainfall might change if forest cover increased.
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This article contains a useful map. See the link in the article.
IPCC’s new interactive atlas reveals how climate change will shape weather around the world.
Farmers reap double benefits with solar power in fields Solar panels generate electricity in the fields, helping both farmers and climate protection. DW visits a German solar farm — and looks at other places this combination is paying off. How widely can agrovoltaics spread? Fabian Karthaus grew u…
The model used to create the most optimistic scenario in the report, which limits warming to 1.5 ˚C, assumes the world will figure out ways to remove about 5 billion tons of carbon dioxide a year by midcentury and 17 billion by 2100. (The scenario is known as SSP1-1.9, and those figures are based on an analysis of earlier data by Zeke Hausfather, a climate scientist at the Breakthrough Institute and contributing author on the UN assessment.)
The UN’s long-awaited climate report, released on Monday, offered a stark reminder that removing massive amounts of carbon dioxide from the atmosphere will be essential to prevent the gravest dangers of global warming. But it also underscored that the necessary technologies barely exist—and will be tremendously difficult to deploy.
Global temperatures will continue to rise through midcentury no matter what we do at this point, according to the first installment of the Intergovernmental Panel on Climate Change’s sixth assessment report. How much hotter it gets, however, will depend on how rapidly we cut emissions and how quickly we scale up ways of sucking carbon dioxide out of the air.
Climate scientists say we’ll need to do carbon removal, in part, to balance out the emissions sources we still don’t know how to eliminate or clean up, like flights and fertilizer. The other, more ominous reason is we may well need to pull the planet back after it blows through dangerous temperature thresholds.
“The role of human influence on the climate system is undisputed.”
ClimateChange is widespread, rapid, & intensifying – IPCC.
Landmark assessment says greenhouse gases are unequivocally driving extreme weather — but nations can still prevent the worst impacts.
