The Great Barrier Reef in Australia is the largest natural living structure on earth and home to more than one thousand five hundred species of fish. But rising sea temperatures and this year’s powerful El Niño have caused the worst mass bleaching event the reef has ever seen. A recent aerial survey of its northern - and most pristine section - found that 95% of the top corals are now severely bleached. Scientists are still trying to find out where the south boundary of the bleaching even is. Our reporter Laura Hampton is on Lizard Island - a research station two hundred kilometres north of Cairns - to see first-hand how bad the situation really is.
Bialowieza Forest Threat
The Bialowieza forest in north east Poland straddles the border into Belarus. It’s a World Heritage Site, because it is the only lowland primeval forest in Europe – some estimates say it has been there for as long as 10, 000 years. It is home to 20,000 species of animals and plants, many of which are now