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Peter Hannam covers broad environmental issues ranging from climate change to renewable energy for Fairfax Media.
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.
Kate Aubusson and Peter Hannam Narrabeen has retreated 25 metres into the ocean as Sydney was buffeted by monster waves, the biggest since at least 1987.
Peter Hannam The worst of Sydney's wettest and wildest couple of days in more than a decade may be over but minor flooding is likely to snarl the evening commute for many Sydneysiders.
Peter Hannam Sydney has one more "danger period" of heavy rains and winds to endure before the city finally gets a break in its wettest two-day soaking in 18 years climate
Nick Ralston, Peter Hannam, Lucy Cormack and Ella Rubeli The biggest storm to hit Sydney and the Hunter this century has battered the region, with at least three people dead, dozens of others needing rescuing and entire homes washed away in...
Peter Hannam Sydney is in the midst of its biggest storm this century, with the deep east coast low that battered the city on Monday night set to unleash a second evening of mayhem
Peter Hannam Perhaps it's no surprise that the massive storm that dumped the most rain on Sydney in a single day in more than 13 years, blew over huge trees and scoured beaches would in some parts of the world be...
Peter Hannam Australia's abundance of renewable energy resources leaves it well-placed to exit fossil fuels altogether by 2050 at a manageable cost of the economy, according to an Australian National University...
Kate Aubusson and Peter Hannam Sydney's commuters and students returning from holidays on Tuesday can expect another wintry battering with a second day of heavy rains and strong winds predicted for the city.
Peter Hannam If you thought it was wet on the way into work this morning, it's likely you'll be in for a shock on the way home.
Peter Hannam Residents of Bulga in the upper Hunter Valley already threatened by the expansion of a nearby Rio Tinto coalmine may have even more to fear with the mining giant hiring consultants to survey an...
Peter Hannam Sydney's balmy mid-autumn will be a fading memory as a strong cold front moves in and a developing east coast low brings heavy rain over much of eastern NSW from early next week.
Peter Hannam Global temperatures continued to climb last month, with combined land and sea-surface temperatures setting fresh records amid prospects of more to come as El Nino conditions form in the Pacific, the...
Peter Hannam AGL, the country's largest greenhouse gas emitter, has vowed to close all its existing coal-fired power stations by 2050 and will not build or buy new conventional plants in the meantime.
Peter Hannam A striking satellite photograph of New Zealand shows how south-westerly winds transform the Land of the Long White Cloud into islands of sunshine surrounded by a barrier of cloud.
Peter Hannam Enjoy Sydney’s late burst of summer weather while it lasts because a cold, wet and windy burst is on the way.
Peter Hannam The Abbott government is stepping up pressure on the states to foster “the responsible development of the unconventional gas industry”, including coal seam gas.
Peter Hannam AGL’s coal seam gas operations in northern NSW have hit fresh troubles with the NSW Environment Protection Authority launching an investigation into a gas leak earlier this month.
Peter Hannam Global temperature records continue to tumble with March coming in as the hottest in data going back to 1891, according to the Japan Meteorological Agency