The average level of carbon dioxide in the atmosphere across the globe passed 400 parts per million (ppm) last year, a symbolic and worrying milestone in growth of manmade climate change, the World ...

The concentration of carbon dioxide in the atmosphere hit a record high Monday, a reading from the National Oceanic and Atmospheric Administration that elicited fresh calls from climate activists and ...

For the first time since we began tracking carbon dioxide in the global atmosphere, the monthly global average concentration of this greenhouse gas surpassed 400 parts per million in March 2015, ...

Scientists are warning the planet has now reached a grim climate milestone not seen for two or three million years. The National Oceanic and Atmospheric Administration says the amount of heat-trapping ...

Just over a year ago, atmospheric carbon dioxide (CO2) levels hit 410 parts per million (ppm) for the first time in millions of years. And we just hit another worrying threshold in April: levels ...

On May 10, 2013, the New York Times reported [1] that for the first time in several million years, the CO2 level in the Earth's atmosphere passed 400 ppm (parts per million). Consequently, extreme ...

Contributing to lower risk of potentially carcinogenic nitrosamine impurities in pharmaceuticals TOKYO & NEW YORK & DÜSSELDORF, Germany, February 27, 2024--(BUSINESS WIRE)--To contribute to reducing ...