Climate change caused by increased concentrations of greenhouse gases may have some effect on tropical cyclone characteristics. Many theoretical and modelling studies now suggest that tropical cyclones may become slightly more intense in a warmer world, but may also be fewer.
Current projects
The Pacific Australian Climate Change Science Program -- now completed
An overview paper on tropical cyclones and sea level in the South Pacific
A paper on storm surge predictions for Fiji
A paper on simulations of the effect of climate change on tropical cyclones in the South Pacific