As global housing programs are gearing up, the world will need a staggering amount of construction material over the next few decades. This will put a strain on resources, and produce a lot of CO2; unless we discard the present … Read more
Last January, the news that a Chinese team of scientists had cloned macaque monkeys drew a lot of attention. Discussion was quick – too quick – to focus on the question if cloning monkeys could lead to cloning humans. But … Read more
Textiles made from pineapple leaves, self-massaging clothes, dresses made from fungi… During Material Xperience 2018 (13-15 March, Ahoy Rotterdam), fashion professionals can enjoy the marvel and the opportunities of many new materials. Trends in new materials for fashion According to … Read more
Omega-3 fatty acids have attracted a lot of attention from protagonists of healthy diets, and from the food industry as well – view their ads. Fatty fish like salmon and sardines are important natural suppliers of these substances to the … Read more
Concrete degradation is one of the most costly problems of our time. Concrete will always crack, although less so if well-designed and well-constructed. Cracks will allow water and air to enter into the structure and eventually reach the steel reinforcement. … Read more
The 13th Material Xperience, ‘the world’s largest multisectoral materials exhibition’, will take place 13-15 March in Ahoy, Rotterdam. Tuned towards materials innovation, it will show materials in six categories: architecture, interior, fashion & workwear, product, mobility and graphic & packaging. … Read more
Cement production by itself is responsible for a stunning 5% of total global CO2 emissions. As global construction activities still gear up, we urgently need more sustainable concrete, no longer based on Portland cement, the basis of the construction industry … Read more
The latest Renewables Global Status Report contains an instructive paragraph on drivers for renewable energy development. Otherwise than many might expect, climate policy is not the most important driver anymore. Cost-effectiveness comes to the forefront. And: renewable energy development is … Read more
In our first article we concluded: as long as modified genes do not end up in the final product, nobody will oppose genetic engineering; even opponents of the technology will not mind it. Problems arise only when genetically modified food … Read more
IEA Global Energy Outlook 2017, released last November, marks a rapid development in the perspective on renewable energy. IEA has always downplayed the importance of renewable energy for future global energy supply; but in its latest outlook, renewable energy and … Read more
After an initial period in which ideas went in all directions, proponents of seaweed (macro-algae) in the bio-economy have now set down to the painstaking work of developing and fine-tuning their technologies. Single-product facilities, like for the production of biogas … Read more
It is difficult to find out why exactly Friends of the Earth and Greenpeace, the two leading organizations in this field, oppose genetic engineering. Clearly it is important to them that a large number of people oppose this technology, and … Read more
Whereas the two companies discussed in this series so far use fermentation technology to imitate silk, the American company Kraig Biocraft Laboratories uses the old workhorse, the silkworm. They introduced spider genes into the silkworm in order to arrive at … Read more
Spider silk combines properties that are very difficult to achieve for man-made materials. It is claimed to be 340 times stronger than steel; we are also told that a net woven from spider silk threads 1 cm thick would be … Read more
For a long time, silk has figured as a proverbial example of nature’s skills: strong and breathable, and soft to the skin as no man-made material could achieve. But we are about to cross this border: artificial silk has been … Read more
One of today’s economic bestsellers is Doughnut Economics, written by the British economist Kate Raworth. Her book is an outright attack on the dominant neoliberal economic theory. Permanent growth is impossible! In growing permanently, we will transgress social and ecological … Read more
Mankind needs to set a clear goal: plastic waste should no longer exist in ten to fifteen years from now. This ambitious goal needs to be tackled from two sides: plastics design on the input side, and dedicated processing on … Read more
The impact of mineral, fossil and agricultural assets as a weapon in international politics will gradually become smaller, we concluded in three articles. Substitution of critical materials and the development of new technologies play a crucial role in this process. … Read more
The world will have to take another look at renewable energy. We need to start thinking visionary and large-scale. Time is over when solar and wind energies had to adapt themselves to their environment. On the contrary, from now on … Read more
Renewable energy sources are by nature ready to harvest anywhere in the world, and therefore not a source of international conflict by themselves. However, they depend in part on critical materials – materials of which the supply is by no … Read more
Geopolitics has long circled around reserves of fossil fuels, the most critical assets in a fossil-based world. But although they will be around for a few more decades, fossil fuels will gradually become less important as a global power factor. … Read more
Some energy analysts propose that system changes will seriously slow down the advent of sustainable and intermittent energy sources. Grid instability and/or its prevention would add appreciably to sustainable energy costs. But some system changes will propel, rather than slow … Read more
3D printing has the future. It will change the way in which we produce objects – maybe much less in factories and much more in shops around the corner. But so far, biobased materials have been difficult to 3D print. … Read more
In a first article on renewable energy system costs we concluded that these costs may be formidable if the electricity grid would remain much the same. This could jeopardise the future of renewable energy, and by implication, have major consequences … Read more
Nano3Bio is the name of an EU-funded program that investigated production and properties of chitosan, a promising biobased material. Recently the consortium held its final conference in Hyderabad, India. Chitosan holds important promises for medicine, agriculture, cosmetics and other industries … Read more
In the early days of renewable energy development, its adversaries would tell the world that renewable sources would be hopelessly inadequate. Traditional (fossil and/or nuclear based) systems would be indispensable because we would also need energy when the wind wouldn’t … Read more
The solar industry is in turmoil. The price of solar panels falls continuously and each year demand grows by 30%. This poses a major challenge to an industry that is quite sizeable already, with an expected turnover of some $ … Read more
Solar energy (photovoltaics, PV) is no longer that cute but hardly relevant technology of energy supply – it will evolve into the basis of our entire energy system. The world will have to take another look on PV: adapt itself … Read more
Researchers of the University of Bath (UK) and ModCell Ltd have developed straw as a low-impact and viable modern building material. As they say, ‘our research has made affordable, environmentally-friendly houses a reality. The first super-insulated, low-carbon straw houses are … Read more
Last 15 September the first Kipster opened its doors in Venray, the Netherlands, a chicken farm that calls itself ‘the most animal friendly and sustainable chicken farm in the world’. The designers of Kipster have not just paid attention to … Read more
Vredestein showed a prototype of its Fortezza Flower Power at the Eurobike exhibition in Friedrichshafen in August. This innovative road tyre is made of dandelion rubber. The prototype is the result of a EU joint initiative in which KeyGene, Vredestein … Read more
European biofuel policy is being revised. November last year, the new draft renewable energy directive (RED II) has been proposed, and decisions on it will be taken in the coming months. The main difference with RED I is a further … Read more
Bio-waste is problematic from two sides. It may be a problem to dispose of it, and it represents an unused value. In a world where ‘there is no such thing as waste’, it should be valorised. That is: upgraded in … Read more
On August 5, the Biofuels Digest ran a story on chitosan, an exciting biobased substance with a bright future, almost unknown to the public so far (and unfortunately, also to industry). We highlighted it almost three years ago. Since then, … Read more
Biobased chemical building blocks go through a difficult phase: with falling crude oil prices over the past years, these chemicals had a hard time to remain competitive to fossil-based chemicals. Nevertheless, a nova Institute report predicted an 8% p.a. growth … Read more
Cyrene is a biobased solvent intended to substitute toxic solvents in fine chemistry and pharmaceutical industries. It is produced by Circa, an Australian company that has partnered with the Green Chemistry Centre of Excellence (GCCE) at the University of York, … Read more
Encouraged by Dutch top scientist Robbert Dijkgraaf, some internationally reputed scientists got a podium on TV to fantasise on the future, last 16 July. They gave their imagination free rein. For many scientists, it appears to be difficult to stay … Read more
Another major study on neonicotinoids (neonics) was published in Science, last month. It sparked vehement comments from groups like Greenpeace and Friends of the Earth who want no neonics, as the study seems to show that ‘neonicotinoids negatively affect pollinator … Read more
At the Bio-Based Materials conference in Cologne, organised by nova-Institute, a special material came in second at the election of the bio-based material of the year: Paptic®. ‘The next generation of paper bags – lighter and stronger’, as they advertise … Read more
Mankind will have to grow more food on less land, so Hidde Boersma and Joost van Kasteren argue in the recently published volume (in Dutch) Ecomodernism, Rethinking Green and Growth. Genetic modification will play a major role in this process. … Read more
There’s always a time lag between the development of a new technology and a dawning awareness of its social impact. Then follows a debate among scientists, possibly followed by a public debate. This process starts by people asking difficult questions, … Read more
In three columns, I have investigated the question of bee colony collapse and neonicotinoids (neonics), the effect of pesticides on pollinating insects and natural pest predators, and finally the services that biodiversity renders to agriculture and the economy. I observed … Read more
In the first two columns in this series, I pictured the difficulties in establishing the truth on neonicotinoids (or neonics) and their effects on pollinating insects. The stakes are high. Neonics represent one third (in monetary value) of all insecticides … Read more
Neonicotinoids tend to have a detrimental effect on bees and other pollinating species – unsurprisingly so, because these ‘neonics’ (at a much higher concentration) are designed to kill insects. But it appears very difficult to gather solid evidence of adverse … Read more
As the struggle around neonicotinoids in the European Union is nearing a decisive phase, and my mailbox becomes overflown with panicky messages from both sides, I decided to make up my mind as to the truth of bee colony collapse: … Read more
In nature, many materials excel in precision. They perform very precise tasks – and as researchers delve into their functions, they discover that complexity is at the bottom of this precision. Almost all natural materials are composites, intricate mixtures of … Read more
Precision horticulture has evolved at great speed during the past decades. It will have a major influence on the world’s food supply, because of the quality and versatility of its produce. Modern greenhouses are closed, preventing the entrance of pests, … Read more
The biobased and circular economy is coming nearer and nearer. Each year, new applications of biobased resources come to the market. Industry aims at using the whole crop, among others by valorisation of what used to be called waste streams. … Read more
An era comes to an end. Ever since the start of the industrial revolution, mankind could only produce more, using more. Produce more food from more land. Produce more consumer goods from more resources, processing more ore that required more … Read more
‘Green PAC is the hub for green (fibre) chemistry in the North East Netherlands,’ says the organisation on its website. It initiates and facilitates business driven knowledge development. Green PAC (shorthand for Green Polymer Application Centre) is an initiative of … Read more