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Petites maisons colorées sur un bout de terre entourée de mer

Islands and island environments faced with global changes

Openness to the outside world, incorporation within the global economy but also the growth in natural risks and rising sea levels.... With their unique characteristics, often under threat, island environments and communities are today faced with unprecedented destabilising factors.

The Challenges of the Sub-Saharan Urban Explosion

Sub-Saharan African cities are presently growing at a size and speed unprecedented in human history. This region of the continent, which was always very rural up to now, is becoming predominantly urban. Small, medium-sized and large cities are doubling in size year on year, with some growing by 1...

The effects of gold mining in rivers in French Guiana

A study conducted in the French Guiana basin where artisanal gold mining in occurs has shown there is mercury in the environment from these activities. It is even found in the piscivorous fish and indigenous communities that eat food from the rivers affected. These are important and innovative...
test-arsenic

The Uros of Bolivia, adept at neutralising arsenic

A study of women from various Bolivian communities shows that these peoples drink water containing elevated levels of arsenic on a daily basis. While the toxic effects of the regular ingestion of this substance are well known, these women’s bodies seem particularly adept at “neutralising” the poison...
Cowpea roots bear nodules which contain nitrogen-fixing bacteria.

Lipids that boost symbiosis

Certain legumes form a symbiotic relationship with bacteria! Tucked into their roots, these bacteria increase the crop yield of these plants. These bacteria, capable of producing lipid molecules known as hopanoids, therefore seem to provide a distinct advantage.