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CO₂ emissions
How much CO₂ does the world emit? Which countries emit the most?
Our World in Data
Research and data to make progress against the world’s largest problems.
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92
Our World in Data
Research and data to make progress against the world’s largest problems.
93
Cars, planes, trains: where do CO₂ emissions from transport come from?
Transport accounts for around one-fifth of global CO₂ emissions. Three-quarters of this is from road transport.
94
Alcohol Consumption
Who consumes the most alcohol? How has consumption changed over time? And what are the health impacts?
95
Working Hours
How much time do people across the world spend working? How have working hours changed over time, and what do these changes matter for people’s lives? Explore data and research on working hours.
96
Electricity Mix
Explore data on where our electricity comes from and how this is changing.
97
Obesity
When did obesity increase? How do rates vary across the world? What is the health impact?
98
Internet
More than half of the world is online, but the Internet is still young.
99
Coronavirus (COVID-19) Vaccinations
Explore data on COVID-19 vaccinations across the world.
100
Crop Yields
Increasing crop yields is crucial to improve food security, living standards, and reduce human impacts on the environment.
101
Renewable Energy
Renewable energy sources are growing quickly and will play a vital role in tackling climate change.
102
Meat and Dairy Production
Meat is an important source of nutrition for people around the world. How quickly is demand growing? And what are the implications for animal welfare and the earth’s environment?
103
Cancer
Cancers are one of the leading causes of death globally. Are we making progress against them?
104
Energy Production and Consumption
Explore data on how energy production and use varies across the world.