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Peter Hannam covers broad environmental issues ranging from climate change to renewable energy for Fairfax Media.
Peter Hannam A burst of wintry weather brought heavy snow and ice to the Blue Mountains and central ranges, causing major traffic snarls but also bringing delight for visitors.
Peter Hannam Concern among Australians about climate change is on the rise, a trend likely to continue amid record temperatures and President Barack Obama's carbon emission cuts, according to the Lowy Institute.
Peter Hannam Australia's greenhouse gas cut targets quietly tripled on Saturday night, from a 5 per cent cut by 2020 to a cut of more than 18 per cent.
Peter Hannam Sea turtles are likely to be beneficiaries of a warming climate as hotter incubation conditions trigger a rising share of female hatchlings.
Peter Hannam When Dan Arvizu joined the New York commission formed in the wake of hurricane Sandy, the energy expert studied recommendations made after a destructive storm a decade earlier - all of which had been...
Peter Hannam When the CSIRO began the biggest study of energy performance of Australian houses, one resident bemoaned the woeful output of his home's photovoltaic panels only to be told the unit was actually a...
Peter Hannam The rise in the number of extremely hot days is underlined in a new report that finds there were more in 2013 than in the 1910-40 period combined.
Peter Hannam Heat extremes over land are occurring more frequently and with greater intensity, a climate shift partly concealed in global mean temperatures by cooling trends over the oceans, a new study has found.
Peter Hannam D espite a role on a Gillard government panel to help cut the impact of the carbon tax on companies exposed to foreign competition, former Caltex chairman Dick Warburton is no fan of carbon controls.
Peter Hannam The Abbott government says it has no plans to help fund a Pacific Ocean system of buoys monitoring extreme weather patterns that is now facing collapse.
Peter Hannam The federal government will press ahead with "an independent" study into the supposed impact on health of wind farms.
Peter Hannam The federal government will press ahead with 'an independent program' to study the health effects of wind farms even though a survey of global research on the issue by a leading Australian medical...
Peter Hannam Australia's world-leading efforts to drive down the cost of solar energy have been recognised.
Peter Hannam Fierce heat from Australia's second big heatwave of the summer will push further into NSW on Thursday, extending the band of 40-degree maximums closer to Sydney.
Peter Hannam and David Wroe A sweltering 2013, Australia's hottest year on record, is the product of climate change and the warming trend is set to continue, experts say.
Peter Hannam The Abbott government's hallmark climate change policy to replace the carbon tax highlights the scale of the task to cut greenhouse gas emissions in an expanding economy, with limited funds and many...
Peter Hannam Australia's heat maps were literally off the charts.
Peter Hannam Coal projects planned by some of Australia's biggest mining magnates and port developments backed by the federal government may be delayed or become unviable because of sagging demand for the...
Peter Hannam Australia's greenhouse gas emissions were little changed in the first year of the carbon price, as emissions from sectors only partly covered by the tax nullified most of the cuts.
Peter Hannam Australians heading to the beach this summer will be on alert for jellyfish and their trailing tentacles.