Offsetting greenhouse gas emissions can be an effective tool for limiting global warming. But many offset projects fail to meet their GHG reduction targets.
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Articles on Carbon dioxide (CO2)
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A new report from the Transport Energy/Emission Research consultancy examines Australia’s New Vehicle Efficiency Standard, finding it was weakened by late changes.
Internal carbon prices – also known as shadow carbon pricing – could prod companies into taking decisions that are good for both business and the planet.
When it comes to storing carbon, alpine peatlands are powerhouses. But feral horse grazing and trampling tips the carbon balance in the other direction. We need to protect and restore our peatlands.
Knowing which parts of Africa best help to store carbon means funding and policy efforts can be directed to protecting and increasing this carbon ‘land sink’.
Female mosquitoes don’t want to lay their eggs alone, but they don’t want sites that are too crowded either. Understanding what guides their choice could inform new control strategies.
Planting trees to remove carbon from the atmosphere will only be effective alongside other strategies to reduce greenhouse gas emissions.
Technological approaches could help reduce the carbon impact of artificial intelligence systems.
The combination of the source of the CO₂ and its end use determines its environmental and economic benefits or consequences.
A new way of measuring emissions may let the biggest polluters evade their responsibility to tackle climate change.
The most comprehensive Australian carbon budget assessment completed to date shows the nation flip-flops from source to sink of carbon emissions, depending on the prevailing conditions.
Releasing reflective particles into the upper atmosphere would help us tackle climate change – but it’s not without risk.
Record emissions are fast shrinking the remaining amount of carbon dioxide we can emit if we are to limit global warming. At current rates, we’ll use up the budget for a 1.5°C outcome in seven years.
Electric arc furnaces can use up to 100% scrap steel as its raw material, resulting in a significant reduction in emissions.
Carbon credits must be scrutinised – and none more so than credits for taking grazing animals off arid rangelands.
Climate modelling that best accounts for the processes that sustain plant life predicts plants could absorb up to 20% more CO₂ than the simplest version predicted.
For a two-in-three chance of staying within 1.5°C, the budget shrinks to one-and-a-half years.
The Biden administration directed agencies to consider the cost of greenhouse gas emissions in their future purchasing and budget decisions. An example shows just how much is at stake.
New research reveals the environmental impact of keeping tropical fish as household pets – but there are ways to reduce it.
The results are intriguing, but analysing the atmospheres of exoplanets is no easy task.
Top contributors
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Chief Research Scientist, CSIRO Environment; Executive Director, Global Carbon Project, CSIRO
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Research Group Leader, CSIRO
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Honorary Fellow, CSIRO
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Senior Researcher, Center for International Climate and Environment Research - Oslo
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Professor, Department of Earth System Science, and Chair of the Global Carbon Project, Stanford University
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Royal Society Research Professor of Climate Change Science, University of East Anglia
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Senior Researcher, Center for International Climate and Environment Research - Oslo
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Professor of Chemical Engineering and Chemistry, University of Sheffield
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CO2Chem Network Manager, University of Sheffield
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Professor of Geosystem Science, Director of Oxford Net Zero, University of Oxford
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Senior Research Scientist, CSIRO
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Professor of Atmospheric Sciences, Climate Change Research Centre, UNSW Sydney
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Professor and Climate Scientist, Department of Geography, Planning and Environment, Concordia University
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Chair, Mathematical Modelling of Climate, University of Exeter
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Géochimiste, chargé de recherche CNRS au Centre de recherches pétrographiques et géochimiques de Nancy, Université de Lorraine
