Steep cuts in carbon emissions, mainly from burning
fossil fuels, will be needed in the coming years if targets to limit a global
rise in temperatures and prevent runaway climate change are to be met, scientists
have said.
Global emissions from
energy rose by 410 million metric tons, or 1.1 percent, in 2023 to 37.4 billion
metric tons, the IEA analysis showed.
A global expansion in
clean technology such as wind, solar and electric vehicles, helped to reduce
the rate of emissions growth, which was 1.3 percent in 2022. But a reopening of
China’s economy, increased fossil fuel use in countries with low hydropower
output and a recovery in the aviation sector led to an overall rise, the IEA
said in its report.
Moves to replace lost hydropower generation due to
extreme droughts accounted for around 40 percent of the emissions rise, or 170
million tonnes of CO2.
Energy-related
emissions in the United States fell by 4.1 percent, with the bulk of the
reduction coming from the electricity sector, according to the report.
In the European Union,
emissions from energy fell by almost 9 percent last year, driven by a surge in
renewable power generation and a slump in both coal and gas power generation.
In China, emissions from
energy rose by 5.2 percent, with energy demand growing as the country recovered
from Covid-19-related lockdowns, the report said. China, however, also contributed around 60 percent of global additions
of solar, wind power and electric vehicles in 2023, the IEA said.