Summer looms and you need new sunglasses. These are the key trends.
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Peter Hannam covers broad environmental issues ranging from climate change to renewable energy for Fairfax Media.
Peter Hannam The rise of solar energy has caught many off guard and, in certain locations, is starting to test the limits of existing infrastructure.
Peter Hannam The head of one of Australia's biggest energy companies has blasted rivals for fuelling uncertainty over the renewable energy target (RET) and for misrepresenting the costs of clean sources of power.
Peter Hannam Australia will get its largest solar ventures with AGL Energy today announcing it will proceed with two projects in NSW costing a total of $450 million.
Peter Hannam Australian companies won't be too upset by units trading at a 30th of the current carbon price of $24.15 a tonne.
Peter Hannam Yang Fuqiang has little patience with arguments the world's biggest emitter of carbon dioxide should leave it to richer nations to take the lead on climate change.
Peter Hannam Australia could phase out almost all its fossil-fuel sourced electricity by 2040 if it doubled the current rate of take-up of solar energy, says Professor Ken Baldwin, director of ANU's Energy Change...
Peter Hannam Geodynamics, the developer of Australia's first deep hot rocks energy project, aims to secure the first customers for its Cooper Basin site within six to 12 months.
Peter Hannam The slump in electricity demand is gathering pace in eastern Australia, with the recent mild winter contributing to decade lows for power use in NSW and Victoria, energy experts say.
Peter Hannam Many probably wish policy making could approach the certainty held by climate scientists.
Peter Hannam Australia's businesses would be wrong to think an earlier-than-planned shift to a floating price for carbon dulls the urgency to improve energy productivity and reduce emissions, The Climate...
Peter Hannam Back in 2006, when John Howard set up a prime ministerial task group to develop an emissions trading scheme, he turned to some of the nation's biggest polluters for advice.
Peter Hannam Almost half of businesses say the carbon tax has little or no impact on their operations.
Peter Hannam Carbon dioxide emissions of eastern power sector down by 12.2 million tonnes.
Peter Hannam Consultants responsible for a report into dust from coal trains reject findings by an independent expert appointed by the NSW EPA that their work had contained a “major error”.
Peter Hannam The NSW Environmental Protection Agency has been forced into an embarrassing backdown after a 'major error' on an inquiry into coal dust.
Peter Hannam Leading analysts say governments should avoid costly subsidies for renewable energy and businesses.
Peter Hannam Wind farms, hydro power and other renewable energy sources will actually cut household electricity bills, not push up bills as detractors have claimed, a new study finds.
Peter Hannam Concepts such as a 'carbon price bubble' are part of a "radical campaign" to scare off investors, according to a report commissioned by the coal industry.
Peter Hannam GVK dismisses claims it will be unable to develop the $10 billion Alpha coal project.
Peter Hannam Insurance industry criticised for blocking recovery of highly potent greenhouse gases.