Large and powerful surf conditions are expected to batter most of the NSW coast for most of the working week as a low-pressure system that delivered a weekend drenching continues to linger off the state's coast.

A wildflower superbloom is underway in a Californian desert after seven inches of winter rain.

"It is altering the structure and function of natural ecosystems, and affecting heritage, economic activity and human wellbeing."

So how did we get here?

Tasmanian devils with tumours the size of golf balls have had their cancerous growths disappear, after scientists successfully trialled a new way to kick-start the animals' immune system.

NSW should place a cap on the amount of thermal coal it can mine and plan an orderly phase-out of the industry within a decade to do its bit to avoid catastrophic climate change, NSW Greens say.

Container deposit schemes are effective in reducing litter and enjoy community support. So why is Victoria the only mainland state not to have agreed to introduce one?

In the wake of last month's re-election of the Berejiklian government in NSW, prospects have brightened for a surprising narrowing of the gap between state and federal energy policy.

Some describe the eastern koel as “demonic birds” for their constant mating calls. Others say the native cuckoos with beautiful plumage are “absolute magic”.

Australian taxpayers will help fund the private sector to develop gas fields after the federal government warned of a looming shortfall in gas supplies.

Annual global temperatures were the fourth highest on record in 2018 with the world in the midst of its hottest decade since reliable data has been collected, international agencies say.

Antarctic Bottom Water is a thing, and it's one worth getting into the discussion about the consequences of climate change.

Solar awnings over car parks that are becoming compulsory in France and are under consideration in California could save emissions, water and lives in Australia.

Thirteen otherwise healthy looking little penguins at the West Australian island died in 2011-12 and have now been found to be infected with a disease that originates from cat faeces.

Ten days out from the global climate summit, Australia is again acting like a handbrake. No other developed nation has performed as badly in terms of past emissions or commitments to cut them.

Thai veterinarians removed 915 coins from a 25-year-old sea turtle which had been swallowing items thrown into her pool for good luck, eventually limiting her ability to swim.

Australia has just experienced the hottest March on record, capping off the hottest first quarter of the year.

They are only starting to gain a foothold in the Australian market, but could batteries provide a near overnight solution to the energy woes that have hit South Australia and risk spreading east?

Waves of "ferocious" thunderstorms are expected to lash NSW on Monday, with flash flooding, heavy downpours and "giant hail" likely to hit large parts of Central and Northern New South Wales.

The body in charge of environmental water purchases rejects calls by special drought envoy Barnaby Joyce to divert flows to assist graziers.

The sea floor around Rye Pier has been littered with disintegrating chicken carcasses and plastic rubbish, dropped by crowds of people fishing for migratory giant spider crabs.

A year 12 student implores politicians and fellow citizens to tackle climate change - and seize the economic opportunities of renewable energy.

A rare, extended period of large surf is pummelling the NSW coastline and while most people are staying well clear, a few surfers are cashing in.

Melbourne is freezing and Brisbane is boiling in a tale of two weather extremes on Australia's east coast.

A blockbuster UN report found the global cost of managing invasive species exceeds $600 billion.