Environment

Environment

Fears that 'significant' coral mortality is still to come

Eyes are on us: Coral bleaching has returned to the Great Barrier Reef - and other reefs - in 2017.

The world is 33 months into its biggest recorded coral bleaching event with little sign of it ending, raising the prospect that coral mortality on the Great Barrier Reef will increase "significantly" from the quarter already lost in the past year, scientists say.

Lost and found

Thought to be extinct for almost 200 years, the newly-named Hibbertia Fumana makes a comeback.

Claims of a cover-up as a plant lost for two centuries turns up on a development site.

Shark!

There has been a spate of shark attacks off the north coast of NSW this year.

Have a spate of bites and sightings up and down the NSW coast raised the odds that an attack awaits beachgoers this summer? Peter Hannam investigates.

India's multibillion-dollar Ganges clean-up in disarray

Officials and civilians take an oath for a clean Ganges on the banks of the river in Allahabad, India.

India's $3 billion plan to clean the holy Ganges river is badly behind schedule with large stretches contaminated by toxic waste and sewage, and a 2018 deadline to clean the river is "impossible", according to government officials.

What happens when a heatwave hits in a post-Hazelwood world?

What happens when a heatwave hits in a post-Hazelwood world?

Extreme heat is a test. It tests people and the systems they rely on, not least the electricity system. So in a post-Hazelwood world, how will the national electricity grid cope during hot days as we seek comfort by cranking up our cooling systems?

The next major Australian city in a cyclone's path

A shift in the cyclone prone region of just three degrees would see the full force of Cyclone Debbie hit the Gold Coast.

A cyclone the size of Debbie would have catastrophic consequences on the Gold Coast, new modelling has shown, as climate change pushes cyclones further south and building codes fail to keep up on the high-rise strip.

Japan kills 333 whales in Antarctic

Japan's giant abattoir ship Nisshin Maru with a harpooned minke whale on the deck in January.

Japan's whaling fleet has returned from its Antarctic hunt in the name of scientific research with 333 minke whales, despite international criticism.