The Little Ice Age brought some bitter extremes. Pieter Bruegel the Elder, 1565 Dagomar Degroot, Georgetown University In recent weeks, catastrophic floods overwhelmed towns in…
Space tourism: rockets emit 100 times more CO₂ per passenger than flights – imagine a whole industry Eloise Marais, UCL The commercial race to get tourists…
Hydrogen may bomb. Eillen Tom Baxter, University of Aberdeen Hydrogen has long been touted as the future for passenger cars. The hydrogen fuel cell electric…
On Aug. 9, the Intergovernmental Panel on Climate Change (IPCC) will release its most comprehensive report on the science of climate change since 2013. It…
The Sun over Earth, seen from the International Space Station. NASA, CC BY-NC Scott Denning, Colorado State University You probably remember your grade school science…
Ships carry more than 80% of world trade, and they rely heavily on some of the least environmentally friendly transportation fuels available. There are no…
Smart street furniture – powered and digitally networked furniture that collects and generates data – is arriving in Australia. It comes in a variety of…
Sometimes realisation comes in a blinding flash. Blurred outlines snap into shape and suddenly it all makes sense. Underneath such revelations is typically a much…
For the past 100 years, a simple molecule has had an immensely positive impact on our world. Ammonia, which comprises three hydrogen atoms bonded to…
Hydrogen is often touted in the scientific and general media as a silver bullet for reaching net zero emissions. Such articles might include the following…
In one of his first acts of office, U.S. President Joe Biden has issued an executive order that effectively kills the Keystone XL pipeline project. The…
Samot/Shutterstock Sankar Sivarajah, University of Bradford Poorly constructed housing can seriously affect people’s health and wellbeing. And with the UK having some of the oldest…
Nitrous oxide from agriculture and other sources is accumulating in the atmosphere so quickly it puts Earth on track for a dangerous 3℃ warming this…
Iryna Inshyna/Shutterstock Jenny Wood, Heriot-Watt University Children see the world in a different way to adults, but urban planning policies rarely take this into account….
Is hydrogen the lifeblood of a low-carbon future, or an overhyped distraction from real solutions? One thing is certain – the coal, oil and natural…
Luna Lu, Purdue University and Vishal Saravade, Purdue University Every day, Americans travel on roads, bridges and highways without considering the safety or reliability of…