Until quite recently, lithium-ion batteries were supposed to be the pinnacle of battery technology. These devices would allow the electrification of transport, and indeed of much of the entire world. But they have now got competition from sodium-ion batteries. Not … Read more
Wood conservation is a necessary and noble art. In itself, wood is an excellent construction material: in ample supply, often locally sourced, easy to process; its production requires little energy. But softwood will quickly deteriorate. It may rot by action … Read more
A recent article in The Conversation shows the undesirable results of a climate policy that lends its ears to public opinion. For consumers are at odds with themselves – in fact, they are just waiting for governments to take the … Read more
MIT in Boston (UsA) is one of the scientific centres developing initiatives to stop climate change. On April 11, it announced five flagship projects in its Climate Grand Challenges. Among these, a project Revolutionizing agriculture with low-emissions, resilient crops. Intended … Read more
Thermal batteries are yet another way to store an excess of solar and wind power. According to the laws of physics, they would seem to incur major energy losses. But on the other hand, they might be very cheap and … Read more
The contours of the future energy system haven’t yet been drawn with great precision. Solar and wind energies lie at its foundation. But these come with their problems: at times they produce too much, at times too little energy. We … Read more
There are many reasons for use of more solar energy. Most importantly, the climate. Moreover, the world needs to scale down its use of gas and oil quickly. More solar power? We can do that. Even in a densely populated … Read more
An urgent (but often forgotten) issue in our society is that of the limits to healthcare. Its costs have been on the rise for quite some time now – just a bit, each year, but nevertheless. It will have to … Read more
Each year, planet Earth loses 13 million hectares (32 million acres) of forest. Since 1960, more than half of all tropical forests have disappeared. Particularly because of logging in the tropical rain forests of Brazil and Indonesia. Logging also takes … Read more
The most important factor continuously propelling and changing society is technological development. Karl Marx would have been delighted to see that present-day society is still characterized by the relationship between base and superstructure as he proposed it, almost a century … Read more
Methane is a very powerful greenhouse gas. It has 82.5 times more warming potential than CO2 over a 20-year timespan. But fortunately, it lives shortly in the atmosphere: it degrades in 12 years. Therefore, methane mitigation is a key opportunity … Read more
The ‘70s of the past century mark a turning point in the control of toxic microorganisms. Researchers then discover that we will never finally be able to control them. That we will always find resistance on our path; and that … Read more
In 64 episodes, we painted a picture of mankind gradually getting the upper hand over infectious diseases with the aid of its chemical knowledge. And of the limits to this process, as we now run into the ‘new’ but very … Read more
Seaweed has many applications. It is processed to food additives and mock meat products. It is used in additives in the food of chickens, pigs, cows, pets and horses. As a seaweed-biostimulant it can reinforce the qualities of soils and … Read more
From times immemorial, mankind has swallowed or applied herbs as medicines. Herbal medicine has now moved into the background, maybe even become obsolete. But problems like resistance revive this branch of medicine. For instance, careful research into traditional Chinese medicine … Read more
A shift towards a plant-based diet could buy humanity a much needed pause in the growth of greenhouse gas emissions. The plant-based diet and global warming The effects of a phase-out of a meat-based diet would have a major effect … Read more
For a long time, biology held that mutation rates are random. Biologists assumed that mutations occur anywhere in the genome, in principle at the same rate everywhere. That some mutations are more successful than others is because harmful mutations are … Read more
From times immemorial, garlic has not just been looked upon as a food, but as a medicine as well. The well-known clove figures in each old medicinal text, as a cure for many conditions. How does this stand up under … Read more
Many proponents of sustainability adhere to the idea that the main path to sustainability lies in high-tech solutions. Like electric cars instead of the old ones, that guzzle fossil fuels. We even wrote a book on this ‘green growth’. But … Read more
PHAs (polyhydroxy alkanoates) are interesting but difficult plastics. Interesting because they are produced in a natural way. From sustainable or waste resources. By microorganisms and not at high temperatures. PHAs are biodegradable. They have widely varying properties. In many applications, … Read more
There are no leaders in the world of microorganisms. All creatures have friends and enemies. Some of them are actual living organisms, others are at the intersection of living and non-living matter. Alternatively, they are only active in a reciprocal … Read more
Reforestation is an important instrument in the fight against climate change. Particularly in Europe, planting more trees would increase rainfall and reverse a drying trend. But do we know enough about woods, to be able to create healthy woodlands? New … Read more
Almost three years ago, in 2019, we voiced our concern over increased methane emissions. Although then we saw a bright side to this problem: unlike CO2 emissions, methane (CH4) emissions can easily be tracked down and repaired. But three years … Read more
A number of powerful people has embarked on a mission to defy death. The most recent among these is Jeff Bezos, former CEO of Amazon and one of the five richest people on earth. He was preceded by George Church, … Read more
Biological crop protection is on the rise. In many respects, biologicals are better than chemicals. Generally, they carry low risk for human health and for the environment. Not necessarily harmless however. And they may not protect crops as effectively as … Read more
Plastic pollution is everywhere nowadays. Even in the remotest places on earth. A problem that we need to address urgently. But nature may be working hard to help us solve the problem. By evolving microorganisms that eat this pollution. Researchers … Read more
This month, Science magazine devoted a long article to the ‘forest fight’ that rages in Germany. The debate on how the nation should manage its trees. Storms and drought played havoc on many forests over the past three years. Do … Read more
Solar energy is making a breakthrough. Solar panels become cheaper all the time. Therefore, structural problems, like their diluted electricity production, become less important. Even in a country with little space like the Netherlands. But how will solar energy be … Read more
We often assume that ecosystems existed in a pristine state when Western researchers first encountered them. But new research now undermines this concept of pristine nature. Ever since mankind existed, it has had a profound influence. Our forbearers promoted certain … Read more
In comparison to most utopian views, RethinkX devotes a lot of attention to the Organizing System required for the transition. It stresses that we cannot just rely on technological innovations. Our thoughts and systems need to coevolve with the new … Read more
For decades, the Rocky Mountain Institute (RMI) spread the message ‘that the energy transition will happen faster and be less costly than many people think’; in the words of CEO Jules Kortenhorst. And now, their predictions are becoming reality. In … Read more
Modesty is not one of the obvious virtues of the RethinkX authors. The subtitle of their report Rethinking Transportation 2020-2030 (May 2017) reads: ‘the disruption of transportation and the collapse of the internal-combustion vehicle and oil industries’. Brought about by … Read more
The second domestication of plants and animals, the disruption of the cow, and the collapse of industrial livestock farming. Nothing could better sum up the pretension of the RethinkX report on food (September 2019) than this subtitle. The disruption of … Read more
The RethinkX report doesn’t fool around. It starts with a clarion call: ‘We are on the cusp of the fastest, deepest, most consequential transformation of human civilization in history, a transformation every bit as significant as the move from foraging … Read more
Over the past few years, the RethinkX project has made the case for yet another revolution to come. Based on major leaps forward in many technologies; in particular in the fields of information, energy, food, transportation and materials. Five sectors … Read more
We discussed the Bt eggplant project in Bangladesh in an article by Hans Tramper, 3 years ago. It seemed to be very successful. Recently, professor Anthony Shelton of Cornell University reported on the project. He was involved in it from … Read more
Under the skin we are still Darwinists. Meaning that all living creatures are in a state of competition with each other. The strong drive out the weak, that’s how progress works. But recent research shows that on the contrary, there … Read more
A new book by journalist Don Saladino draws our attention to the unification of eating habits across the world. It carries major dangers for our food crops. The genetic variation in the world’s food crops is diminishing very fast. The … Read more
Integration of PV into the economy will become the main task in the years to come. Sustainability in the production chain is becoming more important all the time. The advantage of solar energy used to be that it was renewable: … Read more
In the past few decades, solar energy (PV) has grown a lot; the number of applications has much increased and production has become much more large-scale. Costs have taken a dive, and dramatically so. The ambitions for solar energy are … Read more
Floating islands as the lungs of a lake. Made from mycelium, sawdust and turfs made from reed. And island strong enough to carry a person and yet flexible enough to move with the waves. Erik Hobijn designed them and now … Read more
The Earth heats up; and in this process, towns are among the areas most hit. Buildings and streets tend to store incoming radiation. Towns urgently need to be turned greener, if only with the goal to keep them liveable. Green … Read more
This summer, the world has been shocked by disasters, probably caused by climate change. When will the global community take upon it in earnest the task of reducing greenhouse gas emissions? To this end, Dutch researchers have proposed a new … Read more
Lux Research, an international research policy company based in Boston, published a report on sustainable materials policy. What are the most effective policy instruments in this area? Sustainab-ility is growing in importance Lux’s new report, ‘Predicting Policy for Sustainable Materials’, … Read more
Why are the ‘green’ areas in our cities often so uniform? Why are they ‘blandscaped’, to create virtually uniform green spaces that are devoid of local character or distinctiveness? Just attractive to look and easy to manage, but devoid of … Read more
Around the world, meat consumption is on the rise. People eat more meat as they become more affluent. But meat alternatives are becoming popular. They are fashionable; and their environmental footprint is much lower than that of meat. Moreover, their … Read more
The Conversation recently devoted attention to the opportunities of genetic technology for warfare. Sure, there are international agreements overseeing (and restricting) such opportunities. But technology evolves all the time. Nations tend to explore the edges of what’s allowed, so we … Read more
This month, before publication of their NZE2050 scenario, the International Energy Agency considerably upped its forecast for solar and wind energy. Even after the major upward revision already done in its World Energy Outlook 2020. Solar PV is now ‘the … Read more
In an unprecedented move, the International Energy Agency (IEA) published its NZE2050 scenario this month: towards net zero carbon emissions in 2050. Required for a climate strategy that limits the rise of global temperatures to 1.5oC. NZE2050 marks a major … Read more
Marijuana and cannabis still rouse much stir. Many countries and US states have lifted the ban on cannabis use. But the effects on the human body and brain are still far from clear. Partly because marijuana is a poorly defined … Read more