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Peter Hannam

Peter Hannam covers broad environmental issues ranging from climate change to renewable energy for Fairfax Media.

Sydney weather: Powerful winds, heavy rain sweep in

Peter Hannam If you think it was wet on the way into work this morning, it's likely you'll be in for a shock on the way home.

Hunter Valley village at risk as Rio Tinto scopes out Warkworth coalmine expansion

Alan Jones joins protesters against the Rio Tinto mine.

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...

Sydney weather: Cold snap, rain to wash away autumn warmth

Last chance for leaf frolics: Anneka and Lydia  at Lawson in the Blue Mountains.

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.

March global temperatures set new highs, US agency NOAA says

Record warmth even before an El Nino event settles in.

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...

AGL vows to exit coal-fired power plants as sun shines on solar

Coal's time is running out, AGL says.

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.

Aerial photo of New Zealand: South-westerly winds create barrier of cloud around the country

Cloud shadow makes for a sunny day over New Zealand

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.

Sydney weather: Enjoy the warmth as cold snap is on the way

The mid-autumn warmth won't last much longer.

Peter Hannam Enjoy Sydney’s late burst of summer weather while it lasts because a cold, wet and windy burst is on the way.

Abbott government presses states to move on gas approvals

The Abbott government wants to see more CSG development.

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.

AGL gas leak investigated in latest blow to coal seam gas plans

Protestors at AGL's AGM in Sydney last October.

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.

Global temperature records keep melting as Japan declares March the hottest on record

Global temperatures are on the rise, particularly over large areas of the Pacific.

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

Odds now favour an El Nino event in 2015, Bureau of Meteorology says

Peter Hannam Australia's chances of a hotter and drier than usual year have increased with the likelihood of an El Nino event forming in the Pacific Ocean this year now an odds-on risk, the Bureau of Meteorology...

Australia's renewable energy investment grinds to a halt

Grounded: Just one renewable energy project has been approved in the past six months.

Peter Hannam Australia’s large-scale renewable energy industry has entered an investment freeze with just one project securing finance in the past six months amid political uncertainty, according to...

Record sea-surface temperatures in Pacific point to record warmth in 2015 and 2016

Record warmth across the Coral Sea and northern Australian waters in March.

Peter Hannam Sea temperatures around Australia are posting "amazing" records that climate specialists say signal global records set in 2014 may be broken this year and next.

Australia not among rich nations releasing post-2020 emission goals on time

The emissions intensity of the power sector is on the increase.

Lisa Cox and Peter Hannam The UN wants nations to release their longer-term targets well in advance of the Paris summit late this year that will aim to thrash out a new worldwide climate treaty.

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Weatherzone: Month of March among Sydney's warmest as city dries off

Cloudy but not so wet in March.

Peter Hannam It may not have felt it but Sydney has just had one of its warmest March months on record with the city also clearly on the dry side.

Emissions slide began to reverse after the end of the carbon price, data show

Hazy picture: Australia's greenhouse gas emissions are falling - for now.

Peter Hannam Australia’s greenhouse emissions from the electricity sector jumped in the September quarter, reversing the industry’s declines during the two carbon tax years preceding it, the latest...

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NSW State Election 2015: No let up likely in CSG battles

Protest organiser Kathy McKenzie, centre, at Putty.

Peter Hannam If the re-elected Baird government is hoping for a post-poll lull in the coal seam gas debate, it is likely to be disappointed.

Santos CSG wastewater to top 1 million litres a day – with nowhere to go

Santos's CSG storage ponds in the Pilliga State Forest.

Peter Hannam Santos Energy is seeking approval for a new waste treatment plant at its controversial pilot coal seam gas field in northern NSW without identifying how it will dispose of the briny and potentially...

Record warmth reported in Antarctica as Melbourne shivers

Warming up: possible record temperatures recorded on the Antarctic Peninsula.

Peter Hannam To call this week’s wintry chill across southern Australia a “burst from Antarctica” would be doing a disservice to parts of the frigid continent.

Blue Mountains council: call for 10/50 tree-clearing law to be tightened

Trees disappearing in Gladesville.

Peter Hannam The Blue Mountains City Council has joined resident groups in Sydney to renew calls for the tightening of land-clearing laws that have enabled many home owners to clear nearby bushland without a...