Climate models show Sydney could get drier or wetter. Which scenario do we choose when making decisions? Joel Carrett/AAP

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

Depending on what model you use, climate change could make Sydney a little bit warmer, much hotter, wetter, or drier. Which one should we use? When it comes to planning for climate change, it’s important to look at all the possible futures.
The climate may vary from year to year but the overall trend is toward a much hotter planet, scientists say. http://www.flickr.com/photos/cimexus

20 years on, climate change projections have come true

Climate change predictions made 20 years ago have so far proved accurate, suggesting that the world is indeed on track to a radical climate shift, according to a new paper published today. In 1990, the…
Improved modelling will help predict future climatic events, like changing summer rainfall. AAP

Getting projections right: predicting future climate

Region by region projections of how climate is likely to change over the coming decades help to make the prospect of global warming more tangible and relevant. Picturing the climate we are likely to have…