Archive · 13 Nov 2025
Fossil Fuel Emissions Hit Record High, Climate Hopes Diminish
Imagine the Earth has a certain amount of 'carbon pollution' it can handle before getting too hot, like a budget for spending.
A new report says that by 2025, we will be putting more pollution into the air from burning things like coal and gas than ever before.
This pollution is like tiny particles that trap heat.
Even though we are starting to use more clean energy like solar and wind, it's not enough to stop the overall pollution from increasing.
Scientists also found that we only have enough 'carbon budget' left for about four more years at this rate before the Earth gets too warm, past a safe limit called 1.5 degrees Celsius.
This means it's very hard to reach the goal of keeping the planet from getting too hot.
Leaders are meeting at a big climate conference to discuss what to do about this.
Global fossil fuel CO2 emissions are projected to increase by 1.1% in 2025, reaching an estimated 38.1 billion metric tons.
The world is on track for 2.6 degrees Celsius of warming, a slight decrease from previous projections but still far above the Paris Agreement's 1.5°C goal.
Despite the rise in fossil fuel emissions, overall global emissions remained stable due to a significant drop in deforestation and land-use changes.
35 countries have successfully reduced their fossil fuel emissions while maintaining economic growth, offering a sign of hope.
Actions taken by some governments, like the US administration's dismantling of environmental efforts, have contributed to increased warming projections.
- Who
- Scientists and analysts from the Global Carbon Project, Climate Action Tracker, Climate Analytics, and New Climate Institute.
- What
- Global fossil fuel CO2 emissions are projected to increase by 1.1% in 2025, and the world is on track for 2.6°C of warming.
- When
- Wednesday, November 13, 2025
- Where
- Global, with discussions taking place at the COP30 climate negotiations in Belem, Brazil.
- Why
- Emissions continue to rise due to the slow pace of the green energy transition relative to increasing energy demands, dimming hopes of meeting climate targets.
Signs of Progress and Hope
Continued Rise in Emissions
Emission Trends
Signs of Progress and Hope
35 countries have cut their fossil fuel emissions while still experiencing economic growth. There is hope that emissions from China, the world's largest polluter, may have peaked.
Continued Rise in Emissions
Global fossil fuel emissions increased by 1.1% in 2025, a slight but persistent rise. The US, previously reducing emissions, saw a 2% increase. Aviation emissions rose by 6.8%.
Projected Warming
Signs of Progress and Hope
The world is projected to reach 2.2 degrees Celsius of warming if countries fulfill their pledges, a slight improvement from previous projections.
Continued Rise in Emissions
The world is currently on track for 2.6 degrees Celsius of warming. Actions, such as those by the US administration, have increased warming projections.
- Report Authors
- Global Carbon Project, Climate Action Tracker, Climate Analytics, New Climate Institute
- Key Finding 1
- Fossil fuel CO2 emissions projected to rise 1.1% in 2025, reaching 38.1 billion metric tons.
- Key Finding 2
- World on track for 2.6°C warming; 2.2°C if all pledges are met.
- Paris Agreement Goal
- Limit warming to 1.5°C above pre-industrial levels.
- Aviation Emissions Increase
- 6.8% from 2024 to 2025
- US Emissions Change
- +2% in 2025 compared to 2024
Sources
At COP30, scientists want aggressive action on emissions to save cryosphere
India's CO2 emissions see slower increase in 2025: Report
Carbon Dioxide emissions are set to reach a new high this year
The world is running out of time: Global fossil fuel emissions to hit record high by 2025, warns new study
