As Tony Abbott arrives in the US for his first face-to-face meeting with Barack Obama, his failure to learn from the past on climate change could cause yet another diplomatic bungle, warns Christian Downie.
In publicising the plan to cut emissions from old coal power stations, US President Barack Obama put the emphasis on health. Now it's time for Australia to do the same, write Melissa Haswell and Haydn Washington.
It is only May and summer is seven months away, but climate researchers are seeing the beginnings of what could be the most powerful El Niño event in close to two decades.
Australia needs to do more to foster young entrepreneurs, says business student Bradley Kalgovas, who will convene a roundtable on innovation at the upcoming G20 Youth Forum in Germany.
Uncertainty about climate change should not be a reason for doing nothing; it should be an even stronger call for action, write Ben Newell and Michael Smithson.
Some level of scepticism is a good thing. But thinking that all scientists and engineers are wrong until proven otherwise is no way to promote a rational discussion about climate change, argues Fiona Johnson.
The latest UN report on the vulnerability of societies to the impacts of climate change provides yet another call to act, writes the Sydney Morning Herald scientist-in-residence, UNSW's Fiona Johnson.
Australian water utilities must adapt to extreme weather events if they are to protect vulnerable supplies and ensure clean drinking water into the future, an international report warns.
