200 years ago, Fresnel revolutionized optics
INFOGRAPHICS - In 1822, Augustin Fresnel presented a lens that would revolutionize maritime signalling. By channeling light into a narrow...
Oceans
From soils to oceans, pesticides found “in all environments”
Soil, atmosphere, aquatic environments to the bottom of the oceans: contamination of the environment by pesticides "is proven for all...
UNESCO launches a program to map 80% of the seabed
Just over one-fifth of the ocean floor features are accurately known, especially near the shore, in the first few hundred...
The industrial exploitation of metals from the seabed is approaching
It has been known for more than a century that certain sea floors are strewn with polymetallic nodules, these more...
Marine protected areas, not very effective against accidental captures
DECRYPTION - According to the researchers, these static zones are less and less suitable for limiting these captures. The demand...
Global warming: will entire countries disappear under water by 2050?
THE CHEKING PROCESS - This is what the socialist presidential candidate Anne Hidalgo predicted in a recent speech. THE QUESTION...
Glacier melting is accelerating around the world
DECRYPTION - Before the publication of the IPCC report, several studies already provide a worrying mapping of the state of...
