Siôn Geschwindt
Senior Writer
Siôn is a reporter at TNW. From startups to tech giants, he covers the length and breadth of the European tech ecosystem. With a background in environmental science, Siôn has a bias for solutions delivering environmental and social impact at scale.
Norwegian startup trains AI to predict natural disasters
Norwegian startup 7Analytics has secured €4mn to help predict the next big flood or landslide. The B...
tech 16:00 Wednesday May 15
Inside the fight to ban — and destroy — PFAS ‘forever chemicals’
For over 40 years, Ted Van der Vlies and his wife Marga grew fruits and vegetables in their backyard...
tech 16:00 Monday May 13
Bottoms up: This German beer is made from recycled wastewater
Reuse Brew is a classic German lager with a twist — it’s made from recycled wastewater. The beer is ...
sustainability 00:00 Wednesday May 08
This startup is using protein powder to beef up carbon capture
A British startup has devised a way to speed-up enhanced rock weathering using protein powder in a p...
sustainability 00:00 Tuesday May 07
Swedish startup wins EU funding to print organic indoor solar panels
The EU has granted €3.3mn to a consortium led by Swedish startup Epishine. The group’s mission is to...
sustainability 00:00 Tuesday May 07
Deeptech VC raises €300M in push for ‘semiconductor supremacy’
Flemish venture capital firm Imec.xpand has raised €300mn to invest in deeptech startups. The VC is ...
tech 00:00 Saturday May 04
This tech investor will pay Ukrainian farmers to trap carbon in their soil
Lithuanian climate investment firm HeavyFinance has added over 700,000 football pitches-worth of far...
sustainability 00:00 Friday May 03
Polestar unveils ‘world’s first’ 10-minute charge EV prototype
Polestar has successfully charged its upcoming EV model in just 10 minutes. The Swedish car maker ac...
sustainability 00:00 Tuesday Apr 30
Earth Day: Ecosia launches world’s first energy-generating browser
Today — on Earth Day — non-profit search engine Ecosia has launched the “greenest browser on Earth” ...
sustainability 00:00 Tuesday Apr 23
3 carbon capture technologies you’ve probably never heard of
All of us will face the consequences of runaway climate change — unless, maybe, you’re living in one...
sustainability 00:00 Tuesday Apr 23
Tree-planting search engine Ecosia to monitor reforestation from space
Berlin-based Ecosia, best known as the tree-planting search engine, has teamed up with French startu...
sustainability 16:00 Wednesday Apr 17
Dutch cultivated meat startup secures €40M for ‘world’s kindest burger’
In 2013, Dutch scientist Mark Post unveiled the world’s first cultivated meat burger on live televis...
sustainability 00:00 Wednesday Apr 17
Climate tech heavyweights EQT, Contrarian launch investment ‘playbook’
More than 50 European VCs and startups have joined forces to launch Climate Brick — a new community ...
sustainability 16:00 Tuesday Apr 16
New hope for VanMoof as troubled ebike maker resumes sales
Dutch ebike maker VanMoof has begun selling ebikes on its own website once more, following an almost...
sustainability 00:00 Saturday Apr 13
Max Planck spinout nets €20M to build ‘stellarator’ fusion machine
A German startup has secured new funding for a peculiar twisted-looking reactor that could prove a q...
tech 00:00 Thursday Apr 11
Finnish startup to launch ‘software-defined’ satellite with ESA
Helsinki-based startup ReOrbit is preparing for the first demonstration of its “software-enabled” sa...
tech 00:00 Wednesday Apr 10
Autonomous vertical farming startup to grow crops in space in 2026
A vertical farming startup from the UK is taking its technology to new heights. The UK Space Agency ...
tech 00:00 Wednesday Apr 10
Finnish startup Basemark secures €22M to make driving safer with AR
Helsinki-headquartered Basemark has raised €22mn to bring its augmented reality (AR) “toolkit” to au...
tech 16:00 Tuesday Apr 09
UK startup achieves major breakthrough in quest for space-based solar power
A UK startup has claimed a major breakthrough in its plans to beam solar energy from space to Earth....
sustainability 00:00 Tuesday Apr 09
The race is on to commercialise fusion energy. Europe could lead the charge
The unimaginably complex task of creating, containing, and commercialising fusion energy is undoubte...
sustainability 00:00 Saturday Apr 06
Startup secures €7.6M for sand battery that can heat a small town
Last month, Finnish startup Polar Night Energy announced that it is building a giant sand battery ca...
sustainability 00:00 Friday Apr 05
Gocycle releases first pics of F1-inspired folding cargo ebikes
London-based Gocycle, founded by Richard Thorpe, a former industrial designer at McLaren, has releas...
sustainability 00:00 Thursday Mar 28
This snowboard is made from paper — and it shreds like a dream
Professional freeride snowboarder Cody Bramwell carves through the deep white powder, left-right-lef...
sustainability 00:00 Thursday Mar 28
ESA to build ChatGPT-style Earth observation digital assistant
The European Space Agency (ESA) has announced it will build a ChatGPT-style digital assistant to hel...
tech 00:00 Wednesday Mar 27
German climate tech VC raises ‘record-breaking’ €300M first fund
Berlin-based World Fund has filled its coffers with €300M, in what it claims to be the largest first...
sustainability 08:00 Friday Mar 22
Swedish startup secures €10M to turn industrial waste into green cement
Concrete — a mixture of cement, sand, and water — is the second most used material on Earth after wa...
sustainability 00:00 Friday Mar 22
How hydrofoil boat startup Candela took a wild idea and made it fly
In 1906, inventor Enrico Forlanini launched the first hydrofoil boat on Lake Maggiore in the Italian...
sustainability 16:00 Tuesday Mar 19
This little carbon-sucking machine could crack DAC’s big energy problem
Direct air capture (DAC) features prominently in the climate plans of many world governments, and ha...
sustainability 00:00 Tuesday Mar 19
UK fusion startup trials plasma-stabilising laser for ‘holy grail’ of energy
British startup Tokamak Energy is testing a new type of laser that it says is “crucial” to stabilisi...
tech 00:00 Saturday Mar 16
Volvo taps UK software startup to boost EV charging speed by 30%
Volvo has invested in Breathe Battery Technologies and plans to install the UK startup’s software in...
sustainability 00:00 Wednesday Mar 13