The Turnbull government's national energy guarantee could supply as large a share of renewable energy into the market as proposed by the Finkel Review, Bloomberg New Energy Finance says.

Renewable energy's share of the electricity sector will plateau from 2020 under the Turnbull government's energy plan.

A carbon price is set to return under the Turnbull government's new national energy guarantee.

• ANALYSIS

The Turnbull government likes to call it an energy "trilemma" – how to meet the triple challenge of an affordable and reliable electricity system that also meets Australia's international obligations to cut emissions.

Activists took aim at the bank's refusal to rule out future investment in new coal projects.

Tony Abbott warned that any energy package agreed to in cabinet must pass a party room wary of anything approaching a clean energy target.

As portrayed in novels, the California of the future is barely habitable. Fiction? Perhaps less so after last week.

A mysterious and rare hole the size of Tasmania has opened up in the Antarctic sea ice,

For the second time in four years, a breeding colony of penguins on Antarctica has collapsed.

The global shift from fossil fuels to renewable energy will continue regardless of political action such as the US withdrawing from the Paris climate agreement or outbursts from ex-Australian prime ministers, a senior ratings analyst says.

Tony Abbott's speech to the Global Warming Policy Foundation provides a mix of partial truths that are designed to create a plausible whole.

The competition watchdog will demand ESSO and BHP Billiton explain in more detail why gas supplies from its secretive Bass Strait joint venture will decline sharply next year.

Queensland is destroying tree cover at the rate of 10 square kilometres a day, harming biodiversity while stoking doubts about federal data suggesting emissions from land clearing are in decline.

Last month's early-season bursts of heat sent temperatures of some parts of eastern Australia a full 16 degrees above average, new analysis by the Bureau of Meteorology shows.

Climate change could make a meal of baby crocs, with warmer water slashing the amount of time they can hide underwater to avoid being eaten.

Unprecedented severe heat is becoming more common in our cities, but the mercury could top 50-degrees on our worst days in the future.

Jairam Ramesh says the mine in Queensland would threaten the survival of the Great Barrier Reef.

Desperate Pacific islands at risk of sinking beneath the sea say Australia is "stuck in the Dark Ages" by relying on fossil fuels, in response to alarming data showing this nation's energy emissions have hit record highs.

Sea ice around Antarctica has swung from a record large maximum area covered to a record low in just three years, in a shift that could have implications for the global climate.

Australia will fall dramatically short of its Paris carbon reduction targets signed under Tony Abbott, unless it vastly increases its renewable energy usage.

Barely one in five voters surveyed want to see the Liddell power station's life extended, a poll has found.

Australia had its hottest winter on record, with temperatures up by 2 degrees on average and it is related to worsening climate change, a leading scientific group says.

• ANALYSIS

Brain-eating amoeba might be the only way to explain the government's energy policy.

Your afternoon chocolate bar may be fuelling climate change, destroying protected forests and threatening elephants, chimpanzees and hippos in West Africa, research suggests.

Official estimates of the risk of an electricity shortfall this summer are exaggerated, the Australian Solar Council says.

The Pope said those who failed to act were "stupid" and would be judged by history for failing in their "moral responsibility".

• COMMENT

In Australia's self-induced and largely imagined energy crisis, it seems any ambit claim - particularly if it encourages coal - can generate immediate and unwarranted media and political attention.

AGL's Liddell power station shouldn't receive funds more usefully invested elsewhere to improve Australia's energy prospects says Christiana Figueres, the former United Nations climate chief.

The discovery that a North Stradbroke Island lagoon is millenniums older than originally thought could reshape climate change research.