Sydney will experience a comfortable 29 degree day but temperatures across western Sydney and on the city's fringe are likely to top 35 degrees.

48 walkers booked into cabins doesn't sound like the bushwalking I'm used to. But it may help save our national parks - if we can change our ways.

Residents in south-west Sydney have been warned to look out for a hungry boa after the snake's freshly shed skin was found on a construction site. 

Australia faces an increased risk of heatwaves and bushfires this summer, particularly in dry eastern regions, with conditions worsened by the deepening drought.

Miriam Vale, which was close to running out of water, enjoyed the highest falls in Queensland overnight.

Girls possess a valuable quality of encouraging people to use their voices for what they believe in and empowering others around them. Not every girl has to lead, but through the many conversations they have every day, they spread the message and make people believe in a power everyone possesses in...

25 years ago, the Herald reported on a comprehensive climate change study that found "the warming is real" and more dramatic than previous estimates.

Young people from drought-affected communities have gathered to talk about solutions.

The Radiata Plateau, 300 hectares of Blue Mountains bushland, will be be incorporated into the NSW national park reserve system.

Police took the Extinction Rebellion protesters into custody one-by-one as they staged a sit in on Broadway, near Railway Square in Ultimo, while onlookers cheered.

Volkswagen named 67 people it believed were involved in the 2015 emissions cheating scandal that rocked the industry in documents for now-settled Australian class actions.

The news got just a little happier this week for an elephant who has been kept in captivity in a New York zoo for four decades.

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.