Key learning points

1. Climate change due to human activity is causing sea level rise, declining Arctic ice and more extreme weather events.
2. Climate change is affecting people and the environment.
3. With a range of projections, for example for global temperatures, there is uncertainty about future climates.

Keywords

• Extreme weather - when a weather event is significantly different from the average or usual weather pattern

• Social impact - the effect on people and communities due to an event or situation

• Biodiversity - a measure of the variety of living organisms within a particular habitat, ecosystem, biome, or all over Earth

• Food security - when people lack secure access to sufficient amounts of safe and nutritious food for normal growth and development and an active and healthy life

Common misconception