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Near-real-time monitoring of global CO2 emissions reveals the effects of the COVID-19 pandemic

TLDR
The key result is an abrupt 8.8% decrease in global CO2 emissions in the first half of 2020 compared to the same period in 2019, larger than during previous economic downturns or World War II.
Abstract
The COVID-19 pandemic is impacting human activities, and in turn energy use and carbon dioxide (CO2) emissions. Here we present daily estimates of country-level CO2 emissions for different sectors based on near-real-time activity data. The key result is an abrupt 8.8% decrease in global CO2 emissions (-1551 Mt CO2) in the first half of 2020 compared to the same period in 2019. The magnitude of this decrease is larger than during previous economic downturns or World War II. The timing of emissions decreases corresponds to lockdown measures in each country. By July 1st, the pandemic's effects on global emissions diminished as lockdown restrictions relaxed and some economic activities restarted, especially in China and several European countries, but substantial differences persist between countries, with continuing emission declines in the U.S. where coronavirus cases are still increasing substantially.

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Global Carbon Budget 2020

Pierre Friedlingstein, +95 more
TL;DR: In this paper, the authors describe and synthesize data sets and methodology to quantify the five major components of the global carbon budget and their uncertainties, including emissions from land use and land-use change data and bookkeeping models.
Journal ArticleDOI

Global Carbon Budget 2021

Pierre Friedlingstein, +63 more
TL;DR: Friedlingstein et al. as mentioned in this paper presented and synthesized datasets and methodology to quantify the five major components of the global carbon budget and their uncertainties, including fossil CO2 emissions, land use and land-use change data and bookkeeping models.
Journal ArticleDOI

Fossil CO2 emissions in the post-COVID-19 era

TL;DR: In the post-COVID-19 era, growth in global CO2 emissions has begun to falter as mentioned in this paper, and strong policy is needed to address underlying drivers and to sustain a decline in global emissions beyond the current crisis.
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Achieving Paris Agreement temperature goals requires carbon neutrality by middle century with far-reaching transitions in the whole society

TL;DR: The concept of carbon neutrality is much emphasized in IPCC Spatial Report on Global Warming of 1.5°C in order to achieve the long-term temperature goals as reflected in Paris Agreement as discussed by the authors.
References
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Trends in China's anthropogenic emissions since 2010 as the consequence of clean air actions

TL;DR: The authors quantified China's anthropogenic emission trends from 2010 to 2017 and identified the major driving forces of these trends by using a combination of bottom-up emission inventory and index decomposition analysis (IDA) approaches.
Journal ArticleDOI

A global, self‐consistent, hierarchical, high‐resolution shoreline database

TL;DR: A high-resolution shoreline data set amalgamated from two databases in the public domain, which has undergone extensive processing and is free of internal inconsistencies such as erratic points and crossing segments is presented.
Journal ArticleDOI

Reduced carbon emission estimates from fossil fuel combustion and cement production in China

TL;DR: China’s carbon emissions are re-evaluated using updated and harmonized energy consumption and clinker production data and two new and comprehensive sets of measured emission factors for Chinese coal, finding that total energy consumption in China was 10 per cent higher in 2000–2012 than the value reported by China's national statistics, and that emission factors are on average 40 per cent lower than the default values recommended by the Intergovernmental Panel on Climate Change.
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