As veganism gains in popularity, it has also become more political, sparking a struggle between moderates and zero-tolerance purists.

Professor Geoffrey Blainey is no stranger to controversy. Now he's challenging the view that today's climate change is either unique or largely the result of human behaviour.

Since keen birdwatchers are active along coastlines around the world, they can supply information that would otherwise be costly and difficult to gather, researchers say.

A Nationals minister has admitted personally phoning a government agency that was investigating potentially illegal land clearing on her property, according to documents released to Parliament.

Clearing for pastures or crops doubled in two years - and tripled in four - as farmers in NSW took advantage of weaker conservation rules.

The English elm planted in Melbourne's Royal Botanic Gardens in 1851 by Victoria's first lieutenant-governor, Charles La Trobe, has been given a new lease on life.

The EPA will split its most senior role into two, more than four years after an upper house inquiry into the agency made such a move its top recommendation.

The NSW Audit Office has issued a scathing assessment of the Berejiklian government's reform of the native vegetation laws.

Karanganyar plans to end its brutal dog meat trade following a shocking investigation in neighbouring Surakarta.

Subsidies for coal-fired power production almost tripled in the three years to 2016-17 among G20 nations, with Australia providing among the largest support, an international study has found.

City of Sydney councillors have voted in favour of a motion that states climate change poses a serious risk to Sydneysiders.

The world simply doesn’t have enough virgin resources to support the 10 billion people who will be on our planet by 2050.

Councillors will vote next week on a plan to declare climate change as posing a "serious risk" to the residents, and that it should treated as a national emergency.

Animal testing may have held back the discovery of treatments and cures for humans because they did not work well in animals.

The death of a worker exposed to a sewage overflow at Homebush Bay's Olympic Park and who died just three days later is being investigated by SafeWork NSW.

In Sydney, such days were mostly linked to smoke from prescribed burning, the report said.

NSW's newest coal-fired power station has endured "significant disruptions" to its fuel supplies from a nearby mine.

A local conservationist said the council shifted at least 12 tonnes of dead fish while others were 'swept out to sea'.

Australia's deepest offshore gas well drilling has won approval from regulators before its environment plan has been made public under rules that have since been tightened.

The temperatures - of 53.9 degrees in Mitribah, Kuwait, on July 21, 2016, and 53.7 degrees in Turbat, Pakistan, on May 28, 2017 - are among the four hottest ever recorded.