Oceanic and Atmospheric Research (OAR) - or NOAA Research - provides the research foundation for understanding the complex systems that support our planet.
Emissions of carbon caused by fossil fuel pollution continued to grow slightly in 2023 to 36.8 billion metric tons of carbon dioxide, setting yet another new record despite increasingly urgent warnings from scientists about the need for steep and immediate decreases. ) released into the atmosphere by fossil fuels will increase by another 0.8% in 2024, which would raise yearly emissions to 37.
The latest data reflects gains realized from widespread adoption of electric cars and renewable energy displacing fossil fuels, as well as decreasing emissions from deforestation. The United States is one of 22 countries whose fossil COemissions decreased during the past decade while their economies grew. That was largely counterbalanced by increases from other countries, like India and China, which have stalled a change in the trajectory of emissions towards net zero.
Understanding how much carbon the oceans absorb every year is critical to understanding the carbon budget. Since 1850, the global ocean is estimated to have removed 26% of total human-caused emissions, or roughly 681 billion metric tons of CO, a small increase over 2022, in line with the expected sink strengthening from the 2023 El Nino conditions.
In respect to ocean work, one thing is becoming more clear: ocean carbon uptake is driven by rising atmospheric CO, said Rik Wanninkhof, an oceanographer with NOAA’s Atlantic Oceanographic and Meteorological Laboratory in Miami.. Will it always be that way, particularly if fossil fuel emissions are curtailed? It appears that the ocean is losing some of its ability to take up COdue to changes in ocean currents, biology and buffering capacity.
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