Annual global mean sea-surface temperature

– difference from 1981-2010 average

Degrees celsius

+0.6C

+0.4

+0.2

0

-0.2

-0.4

1980

1990

2000

2010

2020

Monthly Antarctic sea ice extent – difference

from 1981-2010 average

Million square kilometres

2

1

0

-1

-2

-3

1980

1990

2000

2010

2020

Annual global mean sea-surface

temperature – difference from

1981-2010 average

Monthly Antarctic sea ice

extent – difference from

1981-2010 average

Degrees celsius

Million square kilometres

+0.6C

2

+0.4

1

0

+0.2

-1

0

-2

-0.2

-0.4

-3

1980

1990

2000

2010

2020

1980

1990

2000

2010

2020