Greenhouse Gas Emissions Paris Agreement 1.5 Degrees Celsius Hottest Year on Record Record-breaking Year Record High Temperatures Heatwaves Record-breaking Heat Record-High Temperatures Hottest Year 1.5 Degree Limit Preindustrial Era 1.5°C Threshold Pre-Industrial Times Record-breaking Temperature 1.5 C Threshold Pre-industrial Times January Temperature Record Environmental Impact Record-breaking Warmth Human-Induced Warming Future Projections 1.5-Degree Target 1.5 Degree Target Extreme Weather Events