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Peter Hannam covers broad environmental issues ranging from climate change to renewable energy for Fairfax Media.
Peter Hannam and Tom Arup Australia's electricity demand is picking up and, in the absence of a carbon price, pushing up the sector's emissions.
Peter Hannam Here comes the sun, and it's back for a while - perhaps as long as two weeks - helping dry Sydney out after April's soaking.
Peter Hannam The Paris climate summit planned for the end of the year is unlikely to result in carbon emissions cuts deep enough to avoid dangerous warming, a study by Lord Nicholas Stern argues.
Peter Hannam, Leesha McKenny New Planning Minister Rob Stokes has flagged an overhaul of the way large mining projects win approval, signalling that the community will be given greater opportunity to "test the decision".
Peter Hannam Mud wrestling could be the favoured sport this weekend in Sydney as the city cops the fringe of an east coast low likely to bring flooding rains to north-eastern parts of NSW and southern Queensland.
Peter Hannam An east coast low brought unusually cool conditions to eastern Australia and was one factor contributing to an unusually cool April.
Peter Hannam Sydney is in for a soggy end to the week as emergency services turn their attention to the state's north-east where heavy falls are raising the risk of major riverine flooding.
Peter Hannam The state's second east coast low in as many weeks is likely to bring further heavy rains to north-eastern NSW but largely skirt flood-hit areas around Sydney and the Hunter Valley, meteorologists...
Peter Hannam Tired of the rain? Get used to it - as four grey and wet days settle in over the city.
Peter Hannam Extreme rainfall events in Sydney are on the increase, particularly during summer, a new report finds, while engineers are set to be given new guidelines to adjust for the flood impacts of climate...
Peter Hannam Residents in north-eastern NSW advised not to travel as heavy rains from another east coast low lift flood risks all the way down to the Hunter.
Peter Hannam With climate change accelerating, Australia - and the rest of the world - need to aim for deep emission cuts, the Greens say in revealing their post-2020 targets.
Megan Levy, Peter Hannam Enjoy the sunshine at the start of this week, as the the grey clouds and rain that have become all-too-familiar visitors in recent times are due to roll in again come Wednesday.
Peter Hannam As joy flights go, few would beat the first round-the-world journey by a solar-powered plane, the Solar Impulse 2.
Peter Hannam Storms hit the Sydney region, bringing hail and damaging winds.
SES deputy commissioner
Rick Feneley, Daisy Dumas, Peter Hannam It seemed to sneak up on us, this storm that washed away houses and swept away lives, that devoured beaches and turned suburban railway lines into rivers.
Peter Hannam AGL has applied for approval to store fracking waste water from its troubled coal seam gas field in dams, a move residents at nearby Gloucester say poses unacceptable risks if this week's deluge was...
Daisy Dumas, Kirsten Stoop, Stephen Ryan, Peter Hannam Premier Mike Baird has flown in to offer his support as towns across the region slowly start to get back on their feet.
Peter Hannam It was the biggest storm to rock Sydney and surrounding regions in more than a decade. As New South Wales tackles the aftermath, here are some facts and figures.
Peter Hannam Sydney and the rest of the state's central coast will finally enjoy some benign weather for a few days at least, allowing residents and authorities to begin the massive clean-up.