• Drugs in our waterways, the bugs and beyond

    Open Forum     |      November 8, 2018

    Medicines designed for humans are finding their way into our rivers and streams and are accumulating in insects and their predators with potentially damaging effects on the food chain.

  • Saving the last of the Earth’s wilderness

    Open Forum     |      November 2, 2018

    The world’s last wilderness areas are rapidly disappearing, and explicit international conservation targets critically needed to protect them.

  • Australian experts call for more climate action

    Open Forum     |      October 29, 2018

    Twenty two eminent Australian scholars and health experts have signed a letter demanding the Federal Government phase out coal by 2050 following its rejection of a United Nations (UN) report warning that world has 12 years to limit a climate change catastrophe.

  • We have so many ways to pursue a healthy climate – it’s insane to wait any longer

    Peter Doherty     |      October 26, 2018

    Humanity faces a wide spectrum of “wicked” environmental challenges, from sustaining food production to providing clean water and maintaining wildlife diversity and the green environments that ensure the survival of complex life on Earth but there are many practical measures we can and should take now to start making things better.

  • Did climate change wipe out the Australian lion?

    Open Forum     |      October 20, 2018

    Scientists now believe Thylacoleo carnifex was probably a victim of the drying out of Australia, which began about 350,000 years ago, rather than from the impact of humans.

  • The climate threat to cities past and present

    Open Forum     |      October 19, 2018

    The fall of Angkor has long puzzled historians, archaeologists and scientists, but now a University of Sydney research team is one step closer to discovering what led to the city’s demise — and it comes with a warning for modern urban communities.

  • Modelling the tsunami threat to Sydney

    Open Forum     |      October 17, 2018

    Whirlpools at the Spit, inundation of Manly Corso and major disruptions are possible impacts revealed in a first-of-its-kind study into the tsunami threat to all of Sydney Harbour.

  • What the past can tell us about the future of climate change

    Russell Drysdale     |      October 16, 2018

    For several millennia during the last interglacial period, temperatures were higher than pre-industrial levels. Given the dire forecasts of global warming’s impact, what can the historical record tell us about the future of our climate?

  • Scientists uncover volcanic lost world off the Tasmanian coast

    Open Forum     |      October 12, 2018

    Scientists studying ocean productivity have uncovered a volcanic lost world teeming with marine life off the Tasmanian coast.

  • How are we doing on a ‘Green New Deal?’

    Edward Robinson     |      October 9, 2018

    As the IPCC publishes its new report on global warming of 1.5 degrees, we need a political and economic stock-take on the measures we’re taking to fight climate change.

  • Protecting thirsty urban trees from ever harsher summers

    Stephanie Choo     |      October 8, 2018

    Urban forests are great for keeping our cities cool, but as temperatures go up they need water to survive – and that’s where redirecting storm water to street trees comes in.

  • Lilly Pilly fossils reveal snowless Snowy Mountains

    Open Forum     |      October 8, 2018

    Leaf fossils discovered high in Australia’s Snowy Mountains have revealed a past history of warmer rainforest vegetation and a lack of snow, in contrast with the alpine vegetation and winter snow-covered slopes of today.