Heatwaves in Australia are getting hotter, longer, more frequent - and have led to increased ambulance calls, emergency visits, illnesses, and deaths.
It might only be Spring, but experts are already speaking out.
We knew it was coming, but that hasn't made it any easier to swallow. Today, President Donald Trump announced his intention to withdraw the United States from the Paris climate accord, just as he had promised during the election campaign.
In effect, the world's biggest superpower is walking away from a landmark global agreement to lower greenhouse gas emissions and minimise the harm from climate change. Most experts agree: Pretty much everybody loses.