PLANET IN PERIL

TheGuardian Warm current that has historically caused dramatic changes in climate is experiencing an unprecedented slowdown and may be less stable than thought - with potentially severe consequences. More here.

ECOWATCH The Sierra Nevada range near Reno. Ken Lund  from Reno, Nevada, USA California is likely facing another year of water woes. The Sierra Nevada snowpack, which supplies up to a third of California's water, is exceptionally meager this year. Experts found around half as much snow on the mountains as they typically would in early April, when the snowpack is historically most voluminous. Story here.

ScienceNews When days and nights get too hot, city dwellers are the first to run into trouble. More here. Jeroen Moes from  Florence, Italy.

ScienceDaily The first definitive demonstration of climate change upsetting the vital interdependent relationships between species has been revealed. More here. Photo by  Björn S.

ScienceDaily Flooding in Iowa. Several different carbon-pricing approaches would help reduce emissions, and some would be fair as well, researchers report. More here.

THE BUREAU OF INVESTIGATIVE JOURNALISM A PEXALS photo. How "Parma" ham became a battleground for the future of Italian food . Story here.