La veille

A community of Indigenous peoples worried that mercury used by gold miners was contaminating the fish they eat. So they created a DIY team to find out more.

Les pompiers redoublaient d'efforts mardi pour lutter contre les flammes d'un incendie qui a détruit plus de 2.000 hectares dans le Parc national de Brasilia, près de la capitale du Brésil, frappée par une sécheresse exceptionnelle.

For every three trees dying from drought in the Amazon rainforest, a fourth tree – even though not directly affected – will die, too. In simplified terms, that’s what researchers have now found using network analysis to understand the complex workings of one of Earth’s most valuable and biodiverse carbon sinks. The regions most at risk of turning into savannah are located on the forest’s Southern fringes, where continuous clearing for pasture or soy has already been weakening the forest’s resilience for years.

Avec un thermomètre affichant à peine 1,4°C , Brasilia a enregistré jeudi la température la plus froide de son histoire. Cette «anomalie» entre «certainement dans le cadre des événements extrêmes liés aux changements climatiques», selon les spécialistes.

Climate analysts are astounded by such a high reading during the rainy season, and is the third monthly record this year

The most widely publicized threat to the Amazonian rainforest is deforestation. Less well understood is that public lands are being converted to private holdings in a land grab we’ve been studying for the past decade... Much of this land is cleared for cattle ranches and soybean farms, threatening biodiversity and the Earth’s climate.

Since 1988, humans have destroyed an area of rainforest roughly the size of Texas and New Mexico combined