Here's their last three headlines that link Malaria and Climate change.
Climate change impact on malaria questioned May 26, 2010
Study finds climate change, malaria spread link February 16, 2009
Temperature spikes key to malaria spread 18 February 2009
The emphasis in these cases is in supporting the alarmist side of the debate. Just as well other news services are present to provide balance to ABC's skewed climate coverage.