Climate models

Warmer, wetter, hotter, drier? How to choose between climate futures

Some climate models show that, under high greenhouse gas emissions, Sydney could be up to 4.8C hotter and have 20% less rainfall by 2090. Others show the Harbour City could warm only by 2.3C and become 25% wetter. How do we deal with such large uncertainty?

A new website shows how global warming could change your town

What will Australia look like in 2050? Even if we significantly reduce our greenhouse gas emissions as under an intermediate scenario, Melbourne’s annual average climate could look more like that of Adelaide’s, and Adelaide’s climate could be more like that of Griffith in New South Wales.

Severe La Niña events predicted to double

A team looking at the effect of a warming climate on the frequency and severity of La Niña events has found they are likely to be twice as frequent in future.