Climate change

Large shark underwater with spotted appearance and smaller fish following it

El Niño might provide the coastal waters of Western Australia (WA) with some welcome relief from the heat.

Flock of birds flying off shore over beach

Every year five million shorebirds migrate between the Arctic and Australia along a bird superhighway known as the East Asian-Australasian flyway. Coastal development is destroying the tidal flats birds depend on, and sea level rise is emerging as an additional threat. A new artificial intelligence technique offers a conservation solution.

This time last year we were preparing for a possible El Niño with potentially dire consequences from drought, extreme heat and bushfire in Australia. But then it all just fizzled out. So what happened?

Ship crew throwing a yellow cylinder overboard into the sea

In 1985, when CSIRO's marine labs were launched, a seven-day weather forecast was little better than chance. Now, thanks to advances in our understanding of the oceans, our predictions are far better.

Flooded road with stranded taxi underwater and man paddling kayak on water

What will the weather be like next week, next season, or by the end of the century? In the absence of a second Earth to use in an experiment, global weather and climate model simulations are the only tools we have to answer these questions.

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?

Dry paddocks studded with green trees and cows in the foreground

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.

Man checking a gas bottle in room with shelves full of silver coloured gas bottles

Paul Fraser looks at things that aren’t there, and at invisible things. He came up with the idea of having a library of air. But it’s not because he’s a bit odd – he’s not. He’s doing these things as part of some vitally important science.

Aerial view of river surrounded by green landscape

A new investigation of satellite records reveals that the Earth is getting greener, despite ongoing deforestation in Indonesia and South America.