Many of Professor Don Aitkin’s sceptical comments regarding global warming stem from a misunderstanding of both climate science and the IPCC’s role, argues Dr Geoff Davies.

Is it possible that coal corporations know that carbon capture and storage is not viable, but continue to promote it to maintain share prices, questions Tony Troughton-Smith?

Climate change - focusing on economics alone is to suggest that the market can sort it all out. But clearly it hasn't, can't and won't, argues Simon Roz.

Producers toy with scarcity, allowing fuel prices to soar, while the Earth edges closer to catastrophe, writes James Hansen.

DNA alone will not turn the tide against crime, but its inclusion in a wave of new technologies such as biometrics and forensic profiling promises to pin criminals to crimes, both past and present, reports Carmelo Amalfi.

When partial compliance is as bad as none: the Paradise Dam in Queensland has a fishway for the Australian Lungfish that is all but useless, writes Roger Currie.

Australian scientists are hopeful that a change of government will improve the "abysmally low" budget dollars set aside for scientific research over recent years, reports Louise Pemble.

The Snowy Scheme: water is public property yet the state sees fit to appropriate and sell that water.

Carbon neutrality and other green jargon is in danger of becoming what 'reduced fat', 'low cal' and 'high fibre' were in past decades, according to Margaret Lawson.

Australia urgently needs to develop financial strategies in order to improve its national innovation system, writes Peter Laver.

An 'Archimedean' Royal Commission might help us focus on real problems rather than global warming, according to Don Aitkin.

The science is unambiguous: if we burn most of the fossil fuels, releasing the CO2 to the air, we will assuredly destroy much of the fabric of life on the planet, argues James Hansen.

Each year in Alaska fur bearing animals are killed in a 'glorious hunt' by people like the Mighty Trapper, writes Walt Brasch.

Scientists must work harder at making the public aware of the stark difference between good science and denialist spin, believes Barry Brook.

The current food crises cannot be solved until we accept that the Earth is well past its carrying capacity, argues Peter Salonius.