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.