Revealed: the 20 firms behind a third of all carbon emissions

New data shows how fossil fuel companies have driven climate crisis despite industry knowing dangers

• Half a century of dither and denial - a climate crisis timeline
• Why we need political action to tackle the oil, coal and gas companies - video explainer

The Guardian today reveals the 20 fossil fuel companies whose relentless exploitation of the world's oil, gas and coal reserves can be directly linked to more than one-third of all greenhouse gas emissions in the modern era.

New data from world-renowned researchers reveals how this cohort of state-owned and multinational firms are driving the climate emergency that threatens the future of humanity, and details how they have continued to expand their operations despite being aware of the industry's devastating impact on the planet.