Dormice, cats, and at least 123 other mammalian species, especially those that are nocturnal or crepuscular, are found to glow in the dark. 

Vampire bats are found to bond with each other by sharing regurgitated blood. 

The global temperature data for September 2023 is 0.5°C (almost 1°F) hotter than last year, a result that is “absolutely gobsmackingly bananas.” 

New York City experiences widespread flooding after a deluge that sees seven to eight inches of rain falling in a single day. A sea lion in the Central Park Zoo is able to swim out of her enclosure and around the zoo grounds. 

Drought in the Midwest leads to lower flows in the Mississippi River, so salt water from the Gulf of Mexico is creeping upstream, threatening water supplies in New Orleans and elsewhere. 

High water temperatures in the Amazon River kill more than 100 dolphins. 

Drought and extreme heat in Spain has greatly reduced the production of olive oil and more than doubled its price. 

After a record hot summer, the number of migrants known to have died crossing the US-Mexico border near El Paso reaches 148 for fiscal 2023.

Concerns about extreme heat force the cancellation of Minnesota’s Twin Cities Marathon. 

Arizona’s summer monsoon season is over, and in Phoenix it is the driest ever recorded.

Arizona moves to stop a Saudi Arabian company from pumping state groundwater for growing alfalfa to feed Saudi Arabian cattle. 

California’s “miracle” water year ended in late September with state reservoirs at 128 percent of their historic average. 

Its climate pledges to the contrary, the World Bank is providing funding to at least 39 new coal projects around the world.

Microsoft wants to power its Microsoft Cloud and AI data centers with modular nuclear reactors. 

Pope Francis castigates climate deniers and Western nations—especially the United States—for their “irresponsible lifestyle(s).”

The World Health Organization approves a second cheap vaccine for malaria, with 100 million doses already on order. In 2021, more than 600,000 people died of malaria, most of them young children in Africa. 

For the first time, EV sales in the US pass the million-car mark. 

The world shipping industry is starting to add sails to its fleet. 

Opposition to wind energy developments is greater in communities that are white and wealthy. 

Starbucks has developed six new varieties of Arabic coffee that can withstand the effects of climate change. 

A top official at Caltrans, California’s state transportation agency, is demoted for objecting to a highway expansion project. 

Wales is lowering the automotive speed limit for cars to 30 kilometers an hour, about 19 miles per hour. Amsterdam is doing the same. 

Forty-one percent of French people—and 59 percent of 18-to-24-year-olds—agree with a proposal to limit everyone to four airplane flights in their entire lives.