1. Earth's concentration of greenhouse gases and sea levels hit new highs in 2021, a US government report said Wednesday, showing that climate change keeps surging ahead despite efforts to curb emissions. "The data presented in this report are clear – we continue to see more compelling scientific evidence that climate change has global impacts and shows no sign of slowing," said Rick Spinrad, administrator of the National Oceanic and Atmospheric Administration. The rise in greenhouse gas levels comes despite an easing of fossil fuel emissions the previous year as much of the global economy slowed sharply due to the Covid-19 pandemic. The US agency said that the concentration of greenhouse gas in the atmosphere stood at 414.7 parts per million in 2021, 2.3 parts higher than in 2020. The level is "the highest in at least the last million years based on paleoclimatic records," the annual State of the Climate report found. (Sources: sciencealert.com, ncei.noaa.gov)
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