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CO2 equivalent missions from the U.S. port of Long Beach amounted to 1,188,884 tons in 2021, which increased 35% from the previous year due to supply chain disruptions.
The greatest rise was made from oceangoing vessels, which jumped 87% to 551,049 tons. Contributing factors included a large number of vessels, mainly containerships, at anchorage or loitering; containerships staying at berths longer than usual and less using shore power; increased use of cargo handling equipment to keep up with container surges; longer truck turn times at terminals; and vessels having to unplug from shore power due to the State of California’s emergency proclamation to relieve demand on the electrical grid during extreme weather events and due to frequent shifts from one berth to another.
By source category, PM10 swelled 55%; PM2.5, 54%; diesel particulate matter (DPM), 42%; NOx, 35%; SOx, 38%; carbon monoxide (CO), 45%; hydrocarbons (HC), 39%; and CO2 equivalent, 35%. From 2005, PM10 decreased 85%; PM2.5, 84%; DPM, 88%; NOx, 49%; SOx, 96%; CO, 24%; and HC, 53%, while CO2 equivalent increased 22%.
