153 search results for “nitrogen” in the Public website
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European law takes precendence over Dutch law in nitrogen issue
Statements made by Caroline van der Plas about nitrogen emissions and European law are incorrect: Armin Cuvyers on Dutch radio EenVandaag programme’s item ‘fact or fiction’.
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Rogier Kegge on important provincial elections issue: nitrogen emissions
Dutch provinces must finalise their plans this summer to meet the government's targets on nitrogen emissions. Can the outcome of the provincial elections this week still change nitrogen policy? The NOS spoke about this issue with various parties including Rogier Kegge, assistant professor in administrative…
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Impact of nitrogen fertilization on the soil microbiome and greenhouse gas emission
The use of N fertilizers has increased worldwide in the past century. While this increased input of N has increased food productivity, it has also contributed to decreases in biodiversity, soil quality and environmental health, including increases in greenhouse gas emissions.
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imaging of spin waves and magnetic phase transitions with nitrogen-vacancy centers in diamond
The elementary excitations of magnets are called spin waves, and their corresponding quasi-particles are known as magnons. The rapidly growing field of Magnonics aims at using them as information carriers in a new generation of electronic devices, (almost) free of electric currents.
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Nitrogen professor hands over book to nitrogen minister
Strengthening nature and at the same time investing in future-proof agriculture. That is the task of the Minister for Nature and Nitrogen, Christianne van der Wal. It is also the lifework of Leiden professor Jan Willem Erisman. He has been researching nitrogen for his entire career and has shown that…
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Dutch cabinet considers legal coercion towards provinces in nitrogen strategy
At present, the cabinet still maintains that all provinces are motivated to cooperate with the sensitive issue of the nitrogen strategy. However, there are major concerns that the political landscape will look very different once the elections for the Provincial Councils on 15 March have been held.
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Nitrogen report: Nitrogen expert Jan Willem Erisman identifies pluses and minuses
On 5 October, mediator Johan Remkes presented his report on the nitrogen crisis and what he thinks is the best way forward. Leiden University professor and nitrogen expert Jan Willem Erisman responds to Remkes’s recommendations. ‘It’s a step in the right direction.’
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Possible impact of Dutch provincial council elections on nitrogen plans
These might be ‘just’ provincial council elections in the Netherlands, but the outcome on 15 March could have serious consequences for how the country is governed. Conflicts between the government in The Hague and the provinces, and tension within the Dutch cabinet, might be looming. On 1 July, every…
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Provincial council election results prove democracy is functioning well
Voters sent a clear signal in the recent Dutch provincial council elections with the 'monster' victory for the Farmer-Citizen Movement (BoerBurgerBeweging, BBB). This sign of ‘social resistance’ has consequences for the policy on nitrogen emissions, according to Geerten Boogaard, Professor of Local…
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What can you do to help solve the nitrogen crisis?
This semester we again organize the elective Nitrogen and Sustainability for 36 master students mainly from Industrial Ecology and Governance of Sustainability. The course helps the students to understand the complexity of the Dutch nitrogen crisis and the role different stakeholders play.
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‘Give farmers more freedom in how they reduce nitrogen’
In his inaugural lecture Professor of Environmental Sustainability Jan Willem Erisman calls for local solutions that give people more freedom in how they meet environmental, nature and climate goals. This would allow farmers to come up with their own solutions to the nitrogen problem. The idea ties…
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Nitrogen crisis: Rapid, effective intervention in three specific regions could create breathing space
The new Dutch government must act quickly to take rapid, far-reaching measures in three specific regions to tackle nitrogen emissions. This will create the space for a long-term strategy to deal with other urgent problems and the knot of obligations that the state will need to untangle. These are the…
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New map of the Netherlands shows where nitrogen reduction will be most effective
By reforming agriculture in targeted areas, we can protect the Natura 2000 areas much more effectively. This is what Jan Willem Erisman of Leiden University and Ton Brouwer of Gispoint consultancy write in a new report. They have created a special, nitrogen map of the Netherlands that shows the areas…
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Nitrogen deposition elements through the food web – impacts on butterflies and moth species
Nitrogen deposition does not only affect plant biodiversity, but also strongly affects the composition of the remainder of the food web, through the changes in plant composition. In an unprecedented analysis of population changes of butterfly and moth species, an international research team including…
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Rogier Kegge in ‘de Volkskrant’ on the nitrogen crisis and the construction project exemption
Rogier Kegge, Assistant Professor at the Institute of Public Law of Leiden University, was interviewed by Dutch newspaper de Volkskrant in response to the recent recommendations by Johan Remkes on how to approach the nitrogen crisis.
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Hoekstra puts unity of Dutch Government at risk with nitrogen comments
Politicians in The Hague were in for an unpleasant surprise when the interview with CDA politician, and also current Dutch Foreign Affairs Minister, Wopke Hoekstra was published. Especially Hoekstra’s suggestion to let go of the Government’s target to reduce the amount of nitrogen by 2030 raised some…
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Will the new plans steer us out of the nitrogen crisis? Expert Jan Willem Erisman explains
They were eagerly awaited: four letters from five ministers that should provide clarity on how to get us out of the nitrogen crisis. Nitrogen expert Jan Willem Erisman explains the plans. And says whether they will get us out of the nitrogen crisis.
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Andreea Nanu
Science
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Jan Willem Erisman
Science
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Tycho Jongenelen
Science
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Chemical functionalization of the graphene surface for electrical and electrochemical sensing application
Advanced sensing techniques require graphene with high quality and well-controlled surface chemistry.
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Lin Jiang
Science
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Jan Willem Erisman on the nitrogen crisis: 'The measurement model works, but the minister is setting reduction targets that are too high'
Opponents of drastic nitrogen measures argue that the nitrogen calculation model is not reliable enough. Nitrogen professor Jan Willem Erisman: 'It is now much more important to discuss the choices we make on the basis of the outcome. The differences are much bigger than the uncertainties in the mod…
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Lab coats off and rain boots on: students do research in the polder
The Vrouw Vennepolder near Oud Ade has been transformed into the Polderlab. Scientists and students from Leiden University, together with farmers and citizens, investigate how to manage peatland in a sustainable and profitable manner. A great opportunity for students to experience how scientific knowledge…
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Linking soil microbial community dynamics to N2O emission after bioenergy residue amendments
Vinasse is a major by-product generated by the sugarcane biofuel industry. It is a source of microbes, nutrients and organic matter and often it is recycled as fertilizer.
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How to set ambitious goals for sustainable agriculture
Food production in the Netherlands is an economic success but has led to many environmental issues, including nitrogen pollution. Recently, the policy to allow economic growth while reducing nitrogen losses was disapproved by the highest court in the Netherlands, casting the country into a nitrogen…
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Atom addition reactions in interstellar ice - new pathways towards molecular complexity in space -
Promotor: Prof.dr. H.V.J. Linnartz, Co-Promotores: S. Ioppolo, H.M. Cuppen
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Perfect for designing new molecules
Even a small quantum computer should be able to simulate exactly the properties and behaviour of new molecules. This would take chemistry to an entirely new level. Better solar panels, more powerful batteries, saving lots of energy in the chemical industry: the applications have the potential to transform…
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Cryogenics Department
The Cryogenics Department has a liquid helium production unit and an automatic liquid nitrogen filling plant.
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Linking simple molecules to grain evolution across planet-forming disks
Planets are formed in disks of gas and dust around young stars.
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Substances from Cradle to Grave
Materials balances have been used in the recent past for the analysis of substance oriented environmental problems and the formulation of measures for environmental policy. In this study an integrated tool, based on the materials balance principle, has been developed for the analysis of both environmental…
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Wim Voermans in favour of merging Dutch House of Representatives and Senate
The battle for a strong power position in the run up to the provincial council elections in the Netherlands is currently being fought fiercely. Prime Minister Mark Rutte has become accustomed to a minority in the Senate in recent years. The four Rutte cabinets were always able to do business with various…
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Nitric oxide in defence against mycobacterial infection
Can we enhance the capacity of host immune cells to kill mycobacteria via production of reactive nitrogen species?
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Leiden Science Family Day
More than 700 visitors got to know the Science Faculty during the Leiden Science Family Day. People of all ages could enjoy fascinating experiments, tours, interesting lectures, spectacular nitrogen shows and various workshops. It was an informative day with many (future) scientists, amazement and,…
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'Better to take action today, than to deal with the damage tomorrow'
It’s better to cut our nitrogen emissions now than to solve the consequences later at great expense. That’s the lesson we can learn from the Dutch nitrogen crisis, according to nitrogen expert Jan Willem Erisman. In Science, he shares this lesson with other countries. According to Erisman, we should…
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Liveable communities lunch meeting - How to use the nitrogen crisis to tackle other major crises
Lecture
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imaging of spin waves and magnetic phase transitions with nitrogen-vacancy centers in diamond
PhD defence
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Impact of nitrogen fertilization on the soil microbiome and greenhouse gas emission
PhD defence
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Young Hae Choi
Associate professor at the Natural Products Laboratory, Institute of Biology, Leiden University - the Netherlands
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Support Departments
List of Support Departments at LION and the Faculty of Science
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Institute of Public Law
The Institute of Public Law comprises all areas of public law, with the exception of criminal law, and including labour law.
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Electrocatalysis for sustainable energy
Marc Koper’s research focuses on electrocatalysis and electrochemical surface science for sustainable energy and chemistry. Reactions of interest are the redox reactions of the oxygen/hydrogen cycle (water oxidation, hydrogen evolution), the carbon cycle (reduction of carbon dioxide, oxidation of small…
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A compound that gives life as easily as it takes: Jan Willem Erisman on BBC about ammonium nitrate
Following the Beirut explosion, BBC's podcast series The Foodchain explores the chemical that caused the blast: ammonium nitrate. A compound that is widely used to produce fertilizer. Professor of Environmental sustaibability Jan Willem Erisman tells about the effects of nitrogen on the environment.
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MicroGRICE: Greenhouse Gas Reduction in RICE: MICRO-biome climate smart applications
Can we use indigenous microbial rice communities to reduce methane production in agricultural settings?
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Astrophysical plasma modeling of the hot Universe: Advances and challenges in high-resolution X-ray spectroscopy
Hot astrophysical plasma is ubiquitous in the Universe, from comets in our Solar system to the largest scale structures -- the cosmic web filaments. These hot plasmas, with the temperature of a few millions of degrees, are often observed in the X-ray wavelength range.
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The Interactions of Human Mobility and Farming Systems and Impacts on Biodiversity and Soil Quality in the Western Highlands of Cameroon
Promotors: Prof.dr. G.R. de Snoo, Prof.dr. G.A. Persoon, Prof.dr.ir. H.H. de Iongh
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Semi-empirical approach to the simulation of molecule-surface reaction dynamics
Catalysis is of extreme relevance in the production of everyday materials and plays a central role in many aspects of our life.
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Europa Institute
The Europa Institute of Leiden University is one of the oldest academic institutes specialised in the law of the European Union and the European Convention on Human Rights; it was established in 1957, the same year as the European Economic Community itself.
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Liveable Planet
Crises like climate change and loss of biodiversity threaten our planet. That’s why sustainability is an important topic in research and education across Leiden University. On this website you read how scientists from many disciplines work together in researching sustainability.
- Program in English