Search results for: pollution

The economy of promises, how to fall in love with a growth rate

growth

Fabrice Flipo, Institut Mines-Telecom Business School This article was published in association with the “Does progress have a future?” series of conferences organized by the Cité des Sciences et de l’Industrie, from Tuesday 15 to 26 May 2018. Over a two-week period, groups of students, a panel of citizens and …

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What is a supercritical fluid?

supercritical fluid

Water, like any chemical substance, can exist in a gaseous, liquid or solid state… but that’s not all! When sufficiently heated and pressurized, it becomes a supercritical fluid, halfway between a liquid and a gas. Jacques Fages, a researcher in process engineering, biochemistry and biotechnology at IMT Mines Albi, answers …

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Will the earth stop rotating after August 1st?

Earth

By Natacha Gondran, researcher at Mines Saint-Étienne, and Aurélien Boutaud. The original version of this article (in French) was published in The Conversation. It has become an annual summer tradition, much like France’s Music Festival or the Tour de France. Every August, right when French people are focused on enjoying …

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What is a volatile organic compound (VOC)?

VOC, Volatile organic compound

Pollution in urban areas is a major public health issue. While peaks in the concentration of fine particles often make the news, they are not the only urban pollutants. Volatile organic compounds, or VOC, also present a hazard. Some are carcinogenic, while others react in the atmosphere, contributing to the …

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How eco-design earned its place in the corporate world

eco-design

Natacha Gondran, Mines Saint-Étienne – Institut Mines-Télécom In the 1970s, regulations were introduced to require companies to prevent industrial pollution. Examples include the Clean Air Act (1970) in the United States and legislation on facilities classified for the protection of the environment in France (1976). Since then, awareness has grown …

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What are fine particles?

fine particles, Véronique Riffault, IMT Lille Douai

During peak pollution events, everyone is talking about them. Fine particles are often accused of being toxic. Unfortunately, they do not only come out during episodes of high pollution. Véronique Riffault, a researcher in atmospheric sciences at IMT Lille Douai, revisits the basics of fine particles to better understand what …

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Julien Bras: nature is his playground

Young Scientist Prize, julien bras, biomaterial

Cellulose is one of the most abundant molecules in nature. At the nanoscale, its properties allow it to be used for promising applications in several fields. Julien Bras, a chemist at Grenoble INP, is working to further develop the use of this biomaterial. On November 21st he received the IMT-Académie des …

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VIGISAT: monitoring and protection of the environment by satellite

vigisat, surveillance, environnement

Following on from our series on the platforms provided by the Télécom & Société numérique Carnot institute, we will now look at VIGISAT, based near Brest. This collaborative hub is also a project focusing on the satellite monitoring of oceans and continents in high resolution.   On 12th July, scientists …

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What is renewable energy storage?

renewable energy storage, stockage énergies renouvelables

The storage of green energy is an issue which concerns many sectors, whether for energy transition or for supplying power to connected objects using batteries. Thierry Djenizian, a researcher at Mines Saint-Étienne, explains the main problems to us, focusing in particular on how electrochemical storage systems work.   Why is …

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