For Father Peter Smith, the choice of adding solar panels to his presbytery roof in inner-Sydney's Leichhardt wasn't just about cost savings but also protecting the environment.

Sydney was blanketed in a smoky haze on Tuesday morning, after weekend hazard reduction burns left parts of the city with air quality so poor it was more than twice the hazardous level, and more th

Corals in the Great Barrier Reef have a lower tolerance to heat stress than expected, contributing to a permanent transformation of the mix of species in some of most pristine regions, a team of in

Firefighters are continuing to battle a blaze that has burnt more than 2000 hectares of bushland in the Royal National Park south of Sydney since Saturday.

A record summer in Sydney and a series of early-season heatwaves helped make 2017 the city's thirstiest year since 2004, Sydney Water said.

The Baird government has approved the expansion of the most aggressive coal mine in the Special Areas of Greater Sydney's catchment despite not knowing the compounding impact it will have on water

Hundreds of thousands of Filipinos have been evacuated as a powerful typhoon roars its way across the Philippines.

Plastic pollution threatens to wipe 7.4 per cent off the value of Sydney homes in areas where litter is apparent, a new report shows.

The lights were hardly out in South Australia before politicians and lobby groups were staking out their ground in the argument over climate change and renewable energy.

Johannesburg: The number of elephants in Africa has dropped by 111,000 in 10 years to just 415,000 today.

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