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As the world economy recovers from the pandemic and relies heavily on coal to power growth, global energy-related carbon dioxide (CO₂) levels are rising, according to the latest analysis by the International Energy Agency.
Emissions rose by 6% to 36.
3 billion tonnes in 2021, the highest level on record
.
Global carbon dioxide emissions rose by more than 2 gigatons, the largest on record in absolute terms, outpacing the previous year's pandemic-induced decline, the International Energy Agency's analysis showed
.
In 2021, adverse weather and energy market conditions (especially surging natural gas prices) have exacerbated the recovery in energy demand, which has led to more coal burning despite the largest ever increase in renewable power generation
.
The global CO2 emissions and energy demand data are based on the IEA's detailed analysis of individual regions and fuels based on the latest official national data as well as publicly available energy, economic and weather data
.
Combining methane emissions estimates released by the IEA last month, along with estimates of nitrous oxide and flaring-related carbon dioxide emissions, the new analysis shows that overall greenhouse gas emissions from the energy sector will rise to their highest level ever in 2021
In 2021, coal will account for more than 40% of the increase in total global CO2 emissions, reaching an all-time high of 15.
3 billion tons
.
CO2 emissions from natural gas rebounded to 7.
Despite a rebound in coal use, renewables and nuclear will account for a higher share of global electricity generation in 2021 than coal
.
Renewable-based power generation reached an all-time high, surpassing 8,000 terawatt-hours (TWh) in 2021, a record 500 TWh above 2020 levels
The use of coal for power generation has increased in 2021 due to record high natural gas prices
.
For most of 2021, existing coal-fired power plants in the U.
