Pep Canadell

Pep Canadell

Pep Canadell
Cargo

Executive Director of the Global Carbon Project and Senior Research Fellow at the CSIRO Climate Science Centre in Canberra, Australia

Reactions: Study pushes possibility of ice-free Arctic Septembers to 2030

A model-based study estimates that there will be ice-free Arctic Septembers about a decade earlier than previously predicted. The possibility of this happening between 2030 and 2050 exists even in low-emissions scenarios, which is a more pessimistic estimate than the last IPCC report. The results are published in the journal Nature Communications.

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Reactions to the IPCC synthesis report urging more ambitious action to combat climate change

Almost a decade after the previous edition, the Intergovernmental Panel on Climate Change (IPCC) has presented the synthesis report of its sixth assessment cycle (AR6) on Monday in Switzerland. "This synthesis report underlines the urgency of taking more ambitious action and demonstrates that, if we act now, we can still secure a sustainable and liveable future for all," said IPCC chair Hoesung Lee. 

The document includes the main findings of the three Working Group reports of 2021 and 2022 (Physical basis, Impacts, adaptation and vulnerability and Mitigation of climate change) and the three special reports of 2018 and 2019 (Global warming of 1.5°C, Climate change and land, Ocean and cryosphere in a changing climate). With this document, which is primarily addressed to policy makers, the IPCC closes its sixth assessment cycle.

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Reactions to the accuracy of Exxon's climate change predictions since the 1970s

Research published in Science assesses for the first time quantitatively the climate projections made by scientists at oil company Exxon and ExxonMobil Corp between 1977 and 2003. According to the study, most of their projections accurately predicted warming consistent with subsequent observations. However, the authors point out that the company's public statements contradicted its own scientific data.

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Reactions to methane growth in the atmosphere in 2020 despite pandemic containment

Although in 2020 the covid-19 pandemic caused confinement and economic paralysis in many countries, the rate of methane growth in the atmosphere peaked, reaching the highest level since 1984. Research published in Nature claims that the main source would be the warmer, wetter wetlands of the northern hemisphere.

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