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Peter Hannam covers broad environmental issues ranging from climate change to renewable energy for Fairfax Media.
Peter Hannam El Nino in the Pacific and warming resulting from rising greenhouse gases suggest global temperatures will reach new highs this year.
Peter Hannam Sydney and much of NSW will receive their heaviest rains in at least two months this weekend as a low-pressure trough breaks up the region's long dry spell.
Peter Hannam The Abbott government's proposed change to a key environmental protection law is an anti-democratic move that could put at risk Australia's famous natural heritage sites, green groups say.
Peter Hannam Yet another miner is at odds with the state government as it takes a very different tack from Tony Abbott's Coalition in Canberra.
Peter Hannam Planning Minister Rob Stokes has ordered an additional review of a planned coal mine expansion near Lithgow, a move that drew cheers from environmentalists but was described as "ridiculous" by the...
Peter Hannam Temperatures in Sydney are set to climb after Tuesday's dip, heralding what looks to be the start of spring.
Peter Hannam The worst combination of extreme weather patterns in the Indian and Pacific Oceans will likely rise by four-fold this century if greenhouse gas emissions continue on their current trajectory, leading...
Peter Hannam There's little sign of a let-up in this year's unusually active storm season with another two typhoons forming in the north-western Pacific.
Peter Hannam July was the hottest on record globally as a large El Nino event gathered strength in the Pacific, making it more likely that 2015 will exceed last year as the warmest year recorded.
Peter Hannam Sydney has clocked up more than three weeks without rain and the forecast is for the dry conditions to last at least another week.
Peter Hannam The Abbott government's 2030 carbon emissions reduction goal is "weak" and Australia should show "real leadership" on the issue of global warming, says a former top climate adviser to US President...
Peter Hannam The Baird government has been accused of caving in to coal industry bullying by approving changes to the Springvale coal mine that will send highly saline waste water into Sydney's water.
Peter Hannam Miners should be environmentally literate, the chief judge of NSW Land and Environment Court says.
Peter Hannam This year's rapid warming in the central and eastern Pacific has climate watchers comparing the event to the monster El Nino of 1997-98 that led to a spike in global temperatures.
Peter Hannam Backing by the Baird government for just seven of the 17 recommendations proposed by an inquiry into the performance of the Environment Protection Authority represents a missed chance to restore...
Peter Hannam The NSW government has been accused of making "law on the run" as it bowed to pressure from AGL to remove a key planning obstacle to its coal seam gas project in Gloucester, new documents reveal.
Peter Hannam The Baird government prepared a post-2020 carbon reduction report for the federal government but decided not to submit it, sparking criticism from Labor and the Greens that it had failed to take a...
Peter Hannam The CSIRO has cancelled its annual survey on attitudes to climate change and won't release the results of its 2014 study until late this year.
Peter Hannam AGL's new boss has met privately with his company's most ardent CSG opponents, stoking expectations the energy giant may exit its troubled Gloucester venture.
Peter Hannam Sydney's weather has settled into a relatively calm and dry pattern that could be ideal for the weekend's major sports events in the city.