The 1.5°C
Threshold

The IPCC Special Report on the impacts of global warming of 1.5°C shows that every fraction of a degree matters.

1.5°C

Moderate Risk

70%

Coral reefs will decline by 70 to 90 per cent.

1X

The Arctic Ocean would be free of sea ice in summer once per century.

2.0°C

Extreme Risk

99%

Virtually all coral reefs will be lost (over 99 per cent).

10X

The Arctic Ocean would be free of sea ice in summer once per decade.