Recent Carbon Brief articles by Zeke Hausfather

Explainer: The CMIP7 emissions scenarios – and how they explore future climate change
State of the climate: Rapidly developing El Niño raises chance of record-warm 2026
State of the climate: Strong El Niño puts 2026 on track for second-warmest year
State of the climate: 2025 in top-three hottest years on record as ocean heat surges
Analysis: What are the causes of recent record-high global temperatures?
State of the climate: 2025 on track to be second or third warmest year on record
Explainer: How human-caused aerosols are ‘masking’ global warming
State of the climate: 2025 close behind 2024 as the hottest start to a year
Factcheck: Climate change is not making extreme cold more common
State of the climate: 2024 sets a new record as the first year above 1.5C
State of the climate: 2024 will be first year above 1.5C of global warming
UNEP: New climate pledges need ‘quantum leap’ in ambition to deliver Paris goals
State of the climate: 2024 now very likely to be warmest year on record
Analysis: What record global heat means for breaching the 1.5C warming limit
State of the climate: 2024 off to a record-warm start
Factcheck: Why the recent ‘acceleration’ in global warming is what scientists expect
State of the Climate: 2023 smashes records for surface temperature and ocean heat
UNEP: Humanity is still ‘breaking all the wrong records’ in fast-warming world
State of the climate: Global temperatures throughout mid-2023 shatter records
Analysis: ‘Greater than 99% chance’ 2023 will be hottest year on record
State of the climate: 2023 now likely hottest year on record after extreme summer
State of the climate: Growing El Niño threatens more extreme heat in 2023
Analysis: Half the global population saw all-time record temperatures over past decade
State of the climate: How the world warmed in 2022
State of the climate: 2022 is currently tied for fourth warmest year on record
State of the climate: 2022 on track for a summer of extreme heat
Factcheck: No, global warming has not ‘paused’ over the past eight years
State of the climate: Start of 2022 is the fifth warmest on record
Analysis: What the new IPCC report says about how to limit warming to 1.5C or 2C
State of the climate: How the world warmed in 2021
Global CO2 emissions have been flat for a decade, new data reveals
UNEP: Current climate commitments are ‘weak promises, not yet delivered’
State of the climate: Summer 2021 sets new high for average land temperature
Analysis: What the new IPCC report says about when world may pass 1.5C and 2C
解説：「共通社会経済経路（SSP）」で未来の気候変動を探る
State of the climate: 2021 sees widespread climate extremes despite a cool start
State of the climate: 2021 off to cooler start due to fading La Niña
Explication: Le réchauffement climatique s’arrêtera-t-il dès que les émissions nettes seront nulles?
Explainer: Will global warming ‘stop’ as soon as net-zero emissions are reached?
State of the climate: 2020 ties as warmest year on record
Analysis: Why the new Met Office temperature record shows faster warming since 1970s
UNEP: Net-zero pledges provide an ‘opening’ to close growing emissions ‘gap’
Analysis: When might the world exceed 1.5C and 2C of global warming?
State of the climate: 2020 on course to be warmest year on record
State of the climate: 2020 set to be first or second warmest year on record
Explainer: How the rise and fall of CO2 levels influenced the ice ages
State of the climate: First quarter of 2020 is second warmest on record
State of the climate: How the world warmed in 2019
Analysis: Global fossil-fuel emissions up 0.6% in 2019 due to China
CMIP6: the next generation of climate models explained
UNEP: 1.5C climate target ‘slipping out of reach’
State of the climate: Low sea ice and near-record warmth define 2019 to date
Explainer: How climate change is accelerating sea level rise
Explainer: The high-emissions ‘RCP8.5’ global warming scenario
State of the climate: 2019 set to be second or third warmest year
Analysis: How Trump’s rollback of vehicle fuel standards would increase US emissions
Analysis: Major update to ocean-heat record could shrink 1.5C carbon budget
In-depth: BP data reveals record CO2 emissions in 2018 driven by surging use of gas
Tornadoes and climate change: what does the science say?
Factcheck: How electric vehicles help to tackle climate change
State of the climate: Heat across Earth’s surface and oceans mark early 2019
Analysis: Why children must emit eight times less CO2 than their grandparents
Factcheck: Is 3-5C of Arctic warming now ‘locked in’?
Factcheck: What Greenland ice cores say about past and present climate change
Extreme CO2 levels could trigger clouds ‘tipping point’ and 8C of global warming
Analysis: Why the UK’s CO2 emissions have fallen 38% since 1990
State of the climate: How the world warmed in 2018
Analysis: Fossil-fuel emissions in 2018 increasing at fastest rate for seven years
Explainer: Why some US Democrats want a ‘Green New Deal’ to tackle climate change
UNEP: Limiting warming to 1.5C requires ‘fivefold’ increase in climate commitments
Melting Antarctic ice could slow global temperature rise, study says
State of the climate: New record ocean heat content and a growing El Niño
Analysis: Why the IPCC 1.5C report expanded the carbon budget
Analyse : Quel « budget carbone » pour limiter le réchauffement climatique à 1,5C ?
Factcheck: How global warming has increased US wildfires
State of the climate: 2018 set to be fourth warmest year despite cooler start
Mapped: The US nuclear power plants ‘at risk’ of shutting down
Analysis: ‘Global’ warming varies greatly depending where you live
Explainer: How scientists estimate ‘climate sensitivity’
Analysis: How ‘natural climate solutions’ can reduce the need for BECCS
State of the climate: Warm start to 2018 despite La Niña conditions
Explainer: How ‘Shared Socioeconomic Pathways’ explore future climate change
Analysis: How much ‘carbon budget’ is left to limit global warming to 1.5C?
New maps pinpoint the potential for BECCS across the US
Analysis: UK carbon emissions in 2017 fell to levels last seen in 1890
New scenarios show how the world could limit warming to 1.5C in 2100
Small drones could be better for climate than delivery trucks, says study
State of the climate: how the world warmed in 2017
Explainer: What climate models tell us about future rainfall
Analysis: Why scientists think 100% of global warming is due to humans
Analysis: How developing nations are driving record growth in solar power
In-depth: IEA predicts rise of cheap renewables and China’s move away from coal
Analysis: Global CO2 emissions set to rise 2% in 2017 after three-year ‘plateau’
State of the climate: 2017 shaping up to be warmest ‘non-El Niño’ year
UNEP: Six crucial actions to help close the world’s ‘emissions gap’
Analysis: How could the Agung volcano in Bali affect global temperatures?
California’s new law aims to tackle imported emissions
Analysis: How well have climate models projected global warming?
Factcheck: Climate models have not ‘exaggerated’ global warming
Explainer: Why the sun is not responsible for recent climate change