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.

Among outlays for the 2019-20 year, the government will spend $70 million on environmental programs, including protecting threatened species such as koalas.

Researchers in the study say the findings show the need for further investigations into the potential relationship between wind turbine noise and sleep disturbance.

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.

Sir David Attenborough has compared changing attitudes over plastic to the abolition of slavery, as he claimed 20 years of warnings about the issue had gone unheard.

Chinese engineer and academic Peggy Liu says Australia should closely question decisions to invest hundreds of million of dollars in new mines.

A 13-year-old schoolboy is slowly capturing the eco-ideas of his generation and asking his parent's generation to open the doors to new ideas to reduce plastic.

A stoush is looming in the multi-billion dollar recycling industry with the NSW government expected to make permanent a ban on the use of organic waste as fertiliser for farming.

38 landholders will enter into new conservation pacts that will protect more than 9300 hectares of environmentally significant land, including koala habitat.

The British ban on elephant ivory  is killing hippos, conservationists say, as poachers and hunters take advantage of a loophole in the new law.

Technology developed in NSW to convert waste plastics into reusable materials such as fuel  could be commercialised overseas or interstate first because of "massive" hurdles facing such firms in the state, the co-inventor of the pioneering process says.