The last time they were this high, megalodon might have been still swimming around.
, up 6 percent from 2020 pandemic-lockdown measurements to around 36.3 billion tonnes. Coal accounted for around 40 percent of this jump with an all-time high of COemissions totaling 15.3 billion tonnes. At the same time, renewable energy set a new record in 2021 with 8,000 terawatt hours of electricity produced around the world.said in the NOAA release
. “Fossil fuel use may no longer be accelerating, but we are still racing at top speed toward a global catastrophe.” The spike in carbon emissions has been even more noticeable in recent decades, especially since the 1950s, says Pieter Tans, senior scientist with NOAA’s Global Monitoring Laboratory. But a look at ice cores in Greenland or Antarctica with millions of years worth of climate data shows we’ve never experienced rates like this. Even as COconcentrations have varied through Earth’s history, it’s “just since 1950, really, that we’ve seen [their] explosion in geologic time,” Tans explains.
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