Robbie Andrew

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Warning signs for stabilizing global CO2 emissions


Abstract

Carbon dioxide (CO2) emissions from fossil fuels and industry comprise ~90% of all CO2 emissions from human activities. For the last three years, such emissions were stable, despite continuing growth in the global economy. Many positive trends contributed to this unique hiatus, including reduced coal use in China and elsewhere, continuing gains in energy efficiency, and a boom in low-carbon renewables such as wind and solar. However, the temporary hiatus appears to have ended in 2017. For 2017, we project emissions growth of 2.0% (range: 0.8%–3.0%) from 2016 levels (leap-year adjusted), reaching a record 36.8±1.8 Gt CO2. Economic projections suggest further emissions growth in 2018 is likely. Time is running out on our ability to keep global average temperature increases below 2 °C and, even more immediately, anything close to 1.5 °C.

Global Carbon Budget 2017

The Global Carbon Project has released its 2017 edition of the world’s carbon budget, including historical emissions by country back to 1751. This multidisciplinary and international effort provides a set of consistent supporting data for further analysis.Learn more »

Global Carbon Budget Figures

Every year the Global Carbon Project publishes a number of figures demonstrating the latest global carbon budget, and these are freely available for use in a number of formats.Learn more »

Real-time verification of emissions

The Paris Agreement has increased the incentive to verify reported emissions with independent Earth system observations. Reliable verification requires a step change in our understanding of carbon cycle variability.Learn more »


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