Tag: CO2 concentration in the atmosphere

In 2023, the average CO2 concentration reached 420 parts per million (ppm), equivalent to a 151% increase compared to pre-industrial levels.The World Meteorological Organization (WMO) announced on October 28 that ...

According to new research on past climates, the average temperature of Earth's surface 500 million years ago was much warmer than today.During this evolutionary period for terrestrial animals and plants, ...