Within an environment
A compound may play a part in attraction, defence, orientation or information. Its function depends on the source, the receptor, the concentration and the context.
Dossier 02 · What connects
Chemistry is part of the relationships of the living world.
Plants, animals, fungi and microorganisms produce molecules that can be transported, transformed and sometimes detected by other organisms.
Between kingdoms
A flower and a pollinator, a root and its microorganisms, an animal and a plant can meet through several pathways, some of them chemical.
Reaching the atmosphere
Biogenic and human emissions take part in complex atmospheric reactions. Some contribute to the formation of particles and to processes linked to clouds.
Responsibility
We, too, take part in the environment we share.
Our activities alter the composition of the air, soils, water and habitats. Understanding these flows is not about feeling guilty for every action, but about better distinguishing our individual and collective room for manoeuvre.