United States President Barack Obama has put climate change firmly on the leadership radar, using his State of the Union address to say no challenge poses a greater threat to future generations.

Stopping logging in Victoria's central highlands would drive tens of millions of dollars into state coffers if the move was included under the Abbott government's emissions reduction fund.

The flagging Australian solar industry will get a $33.3 million boost as the government's green investment bank combines with a Chinese partner to spur companies to take up more photovoltaic panels

China beat a key energy efficiency target in 2014, cutting its energy intensity by 4.8 per cent from a year earlier, the State Council said on Tuesday, as it tries to reduce pollution and greenhous

Australia's peak public health research agency plans to offer funds for further study of the health impacts of wind farms after a year-long review identified knowledge "gaps".

The yearly battle over the US budget officially begins on February 2, when the president plans to send his fiscal 2016 funding proposal to Congress, where it will be torn to shreds or ignored entir

As cost-of-living pressures increase, home owners are moving to solar power and even hybrid power systems, using solar panels and batteries to minimise bills.

An intense heat trough over the country's north-west may bring Australia's first observation of 50-degree temperatures in 17 years, forecasters say.

Pope Francis has flown to the Philippines, an island nation frequently hit by natural disasters, declaring that man is primarily responsible for climate change.

At the rate things are going, the Earth in the coming decades could cease to be a "safe operating space" for human beings.

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