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As the International Cloud Atlas adds 11 “new” formations, including wave-like clouds known as asperitas, we’d like to see your pictures from around the world

Wave-like clouds long seen but never officially categorised in English-language meteorological circles now have their place in the International Cloud Atlas.

Related: Stunning 'new' cloud formations captured in updated atlas – in pictures

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Roll clouds and wave-like asperitas are among the additions to the new digital International Cloud Atlas, that dates back to the 19th century. It features hundreds of images captured by meteorologists and cloud lovers from around the world

• Have you seen any of the “new” cloud formations?
  

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Water is an essential resource we need to share equitably with each other and the natural world.

Water is an essential resource we need to share it equitably with each other and the natural world.

The crater made by the asteroid that killed off the dinosaurs reveals clues to the origins of life on Earth.

John Quiggin and Danny Price resign over Coalition’s ‘rightwing anti-science activists’ and climate change political point-scoring

Two members of the Climate Change Authority have resigned, with one accusing the government of being beholden to rightwing, anti-science “extremists” in its own party and in the media.

John Quiggin told Guardian Australia he informed the federal minister for environment and energy, Josh Frydenberg, of his resignation on Thursday. It follows the resignation of fellow climate change authority member, Danny Price, who quit on Tuesday.

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Birdwatchers ‘elated’ after snapping photo of the endangered species in state’s arid interior in discovery that could significantly impact on mining developments

A night parrot has been photographed in Western Australia, adding another twist to the mysterious history of the species that was presumed extinct until it was rediscovered in Queensland four years ago.

It is the first verified sighting of the bird in WA for almost 100 years and follows a history of unverified sightings, disbelieved reports and futile ecological surveys that rivals the hunt for the (presumably still) extinct Thylacine in Tasmania.

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Sandy, Bedfordshire Tiny spears pierce my trousers and the skin of my knee, releasing toxins that tingle with fiery heat

Under a hawthorn hedge and all along the bank grows one of Britain’s most feared and reviled plants. I kneel down before it and feel its power. Its hairs, just a few millimetres long and looking like icicle spears, have pierced both my trousers and the skin of my knee, releasing toxins that tingle with fiery heat.

Even so, I reach out to grasp one of these plants between thumb and forefinger. I have come not to curse nettles, but to pick them, for their stinging hairs have no answer to gardening gloves, and their ferocious leaves can be tamed in a saucepan.

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Australia’s wind farms could soon become “core providers” of crucial grid stability services, according to the Australian Energy Market Operator.

Australian PV manufacturer Tindo Solar has a new owner, with plans to create nation's largest vertically integrated solar retailer.

Cohda Wireless today announces it has received two grants from the Government of South Australia, totaling $2 million, as part of the Future Mobility Lab Fund.

We think this is the best number-plate on a Tesla electric vehicle that we have seen to date.

New product will help Aussie businesses save thousands in electricity and other utility costs and reduce their carbon footprint.

Tony’s Abbott's war on renewables was meant to reduce electricity prices. But it has done the opposite—and a lot more.

Victoria regulator says there is obviously network value in rooftop solar, but it says it is difficult to work out how much without a grid services market.

The Palaszczuk Government will consult with the energy industry to develop innovative ways to reduce state school energy costs using solar and energy efficiency measures.

South Australia looking for only one hour of battery storage, in decision that may rule out some battery storage technologies.

Nearly every Australian will pay some part of the cost of the Abbott Government’s decision to effectively stop investment in generation.

New edition of International Cloud Atlas includes asperitas cloud after long campaign by skywatchers.

Electricity network owner attacks major energy retailers over reliability of their gas plants, the manipulation of prices and high retail fees. It says it wants rapid transition to renewables, but incumbents and market rules getting in the way.