La Nina may almost be over, and forecasters predict a hot, dry and potentially deadly year may lie ahead. Find out how the weather is changing this year.
Scientists are researching the potential threat of so-called zombie viruses that could soon be 'revived' in humans thanks to environmental changes.
The IUCN has updated its Red List of threatened species, declaring Queensland’s mountain mist frog extinct.
Extensive lobbying has failed to convince a United Nations delegation the reef is not 'in danger'. But Australia has vowed to fight the claim.
Australians are being urged to do what they can to prevent a mozzie bite this summer with one expert warning the insects 'are catching up on us'.
A plan to switch to meat and dairy produced by microorganisms rather than farm animals could save the planet. Find out more.
Dramatic video has laid bare the devastation communities are facing during unrelenting flooding in NSW's Central West. See the footage.
Thousands of Aussies have been forced to evacuate as the east coast faces more wet and wild weather. See the latest updates.
Australia's Bureau of Meteorology has confirmed the news no one wanted to hear for the Christmas holidays.
The action followed a warning from the UN that Australia is on a 'highway to climate hell'. Find out more.
After watching the video, the UN Secretary warned the world is 'on a highway to climate hell'. See how world leaders reacted.
Summer might be getting close, but Mother Nature has other ideas with millions of Australians facing unseasonably cold and wild weather in the coming days.
While the 'bread and butter' Budget did not contain any unexpected funding, the Climate Council says it is encouraging.
Climate activists have been derided for incorporating priceless artworks into their protests, but is there more to the story than meets the eye?
A carer in northern NSW fears losing more than 60 animals if a barn is not built before the heavy rainfall gets worse. Find out more.
King brown snake engravings on ancient boab trees in northern Australia could be lost due to cattle grazing and climate change. Find out more.
With several days of rain ahead, Sydney might break a 72-year record as most of the country is hit with wild weather.
All eastern states should expect significant rainfall and storms, with the widespread dreary weather peaking on Wednesday. Read more.
As Hurricane Ian decimated Florida, a 7 News cameraman abandoned his gear to lend a helping hand, mid-broadcast. See what happened.