Residents in the Yarra Valley have been left baffled after the water in a creek turned bright lime green overnight.
Environmental advocates say the extinction crisis is worse than previously acknowledged by the government.
In an exclusive interview Captain Paul Watson says this is not about saving planet Earth, it's about saving ourselves.
If we continue on our current path, we will march towards the eventual breakdown of civilisation, world leaders have been warned.
A new report has issued a daunting warning for Australia's future as population growth and climate change take their toll.
UK Prime Minister Boris Johnson has spoken out against whaling in Japan after the 'cruel' death of a minke whale left in nets for 19 days.
Another humpback whale is believed to have died after video shows it becoming trapped in fishing nets off the coast of Taiji in Japan.
WARNING – DISTRESSING CONTENT: Rare footage has captured the moment a minke whale was killed by Japanese fishermen on Monday after it was trapped in nets for almost three weeks.