Why an ocean swim isn't a crazy idea

Peter Hannam   With waters off Sydney remarkably warm, a June dip in the ocean is not so crazy an idea.

NSW to double existing solar farm capacity

Peter Hannam   Four new plants will bring hundreds of jobs while saving 342,000 tonnes of greenhouse gas annually.

This is turning into a massive snow event

Peter Hannam   The most powerful June cold front to move across south-eastern Australia in three years will chill coastal cities but turn alpine resorts into wintry idylls.

Canberra weather: East coast freeze brings snow and hail

Katie Burgess   Up to 40 centimetres of snow has fallen at the mountain snowfields south of Canberra.

Fears vulnerable eagle will disappear due to planned CSIRO development

Christopher Knaus   The vulnerable Little Eagle species has bred on a site the CSIRO is planning for development.

Sydney cold snap on the way and good snow for ski-fields

Peter Hannam   Sydney's run of well-above average temperatures is about to come to a chilly halt that will please few save those headed for the snowfields.

Tree kangaroo melts Perth Zoo hearts

James Mooney   Perth Zoo has shown off the birth of Mian, an endangered Goodfellow's Tree Kangaroo, the first to be born at the zoo in 36 years.

Horseman protests on Sydney Harbour Bridge

Rachel Olding   A beef farmer from the bush has ridden his horse across the Sydney Harbour Bridge sending a message to the city about protecting the land.

Vet reveals shocking footage of cattle on ships

Nicole Hasham   A senior vet was expelled from her government role after she exposed the pain and suffering of the live cattle export trade, including animals coated in faeces and dying of heat exhaustion.

Ski resorts gearing up for massive snow dump on Friday

Katie Burgess   A severe cold snap is expected to dump up to up to 60 centimetres of snow at the mountain resorts south of Canberra over the coming days.

Tesla bids $3.75b for SolarCity panel maker

Russ Mitchell and Ivan Penn   The electric carmaker makes a bid for the biggest US solar panel maker to become a force in sustainable energy.

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Parties dither on climate at their peril

Peter Hannam   Concern about tackling climate change continues to grow.

Vietnam cattle horror shows Agriculture Department's conflict of interest

Emmanuel Giuffre, Sarah Margo   What will it take to bring an end to this trade? That's the question so many Australians will be asking our political leaders ahead of July's federal election.

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Germany proposes blanket ban on fracking for shale gas

Holger Hansen and Andrea Shalal   Germany's coalition government has agreed to ban fracking for shale gas after years of fractious talks over the issue, but environmental groups said the ban did not go far enough.

Wild weather puts wind up district's sheep farmers

John Thistleton   Alert out for lambs and hungry sheep as more rain to come with wind.

South African fisherman snares catch as big as himself

Simon White   A South African fisherman has shocked himself - and the internet - by snaring a mulloway as big as himself.

NSW Budget 2016: Winners and losers

Kirsty Needham   Schools, trains and unicorns are in the money, while public servants and foreign property investors lose out.

Sydney welcomes Winter Solstice

Georgina Mitchell   The southern hemisphere will have its shortest day of the year on Tuesday, with almost 10 hours of sunlight and 14 hours of night.

Australia set to cash in on low-cost renewable energy

Latika Bourke   The cost of producing electricity from renewable energy could be slashed by as much two-thirds within 10 years, making it competitive with coal-fired power, experts say.

Dr Chris Brown wants Australian cities to be more pet-friendly

Sarah Lansdown   TV personality says tougher regulations around pets in cities has contributed to a sharp decline in ownership.

Graziers wary of new poison in fight against wild dogs, foxes

John Thistleton   "You don't understand, this is about our survival."

Chinese 'Ivory Queen' in court over 700 smuggled tusks

Neil Connor   She once described herself as the best example of friendship between China and Tanzania, but the Chinese restaurant owner is accused of smuggling tusks from hundreds of elephants.

Canberra weather: Snow expected when rain clears

Clare Colley   The rainy weather may have forced most Canberrans to spend the weekend indoors, but when the clouds clear snow-seekers can look forward to the first big snowfalls of the season thanks to a cool change expected later in the week.

A wet Sunday as flood warnings issued for NSW

Kate Aubusson, Emma Partridge   Sydney's Sunday will remain soggy for most of the day with parts of the city expected to cop up to 50 millimetres of rain.

Mother fights off mountain lion that attacked her five-year-old son

Elahe Izadi   ​The woman was inside of her Colorado home Friday night when she heard the screams.

The lie that diminishes us all

Peter Martin   We tell ourselves we are compassionate to the people and creatures in our care. But that's not true.

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Sydney weather: Batten down the hatches: second storm on its way

Peter Hannam   Emergency crews expect to be on standby until at least Monday as another east coast low is forecast to bring heavy rain and possible flooding to parts of New South Wales.