Simon Grose questions the effect of Saturday's election on Australia's research and innovation sector.

The price tag for tackling climate changes goes up every year, warns Stephan Lewandowsky.

Arguments for a carbon-free economy forget that carbon underpins all life on earth, according to Dr David Smith.

From every perspective other than the purely short-term commercial, biofuels make little sense, warns Nick Rose.

Acid oceans are the elephant in the room of global change – an event potentially so massive and profound in its implications for life on Earth that the world media has largely avoided it, governments shunned it and scientists discussed it mostly in muted tones, usually behind closed doors.

Whichever party wins the election, the Australian Government must give our fair share to developing countries for climate change, according to Andrew Hewett.

Protecting Australia’s forests would be a vital act of good faith to convince the world we are serious about offsetting global carbon emissions, according to Will Mooney.

As individuals, communities, countries and governments, we must play our part in cleaning up our energy consumption, warns Dominique La Fontaine.

Katrina and California were warnings to the whole world and Australia must make sure fire and flood are not part of a process of national destruction, warns Peter McMahon.

Call for political leadership on tobacco control, as Australia’s deadliest cancer continues to take unacceptable toll.