Scientists find climate-change secrets locked in troposphere

23 Jul 2018

Moon with orange-coloured troposphere band, the lowest and most dense portion of the Earth’s atmosphere. The troposphere ends abruptly at the tropopause, which appears in the image as the sharp boundary between the orange – and blue – coloured atmosphere

 

SCIENTISTS studying the troposphere – the lowest level of the atmosphere – have found “powerful evidence” that climate change is altering seasonal temperatures.

... login or subscribe for full story
More >
New Zealand
More >
Kathryn Ryan and Energy and Climate Change Minister Simon Watts at yesterday's Climate Change and Business Conference

Watts full-throated in National’s support for Paris

Wed 10 Sep 2025

By Pattrick Smellie | Climate Change Minister Simon Watts came to this week’s Climate Change and Business Conference with nothing to announce.

Electric Arc Furnace in action at North Star BlueScope

Milestone for NZ Steel electrification

Wed 10 Sep 2025

By Pattrick Smellie | NZ Steel has passed an installation milestone for its new electric arc furnace, which will reduce emissions from the Glenbrook steel mill site by as much as one megatonne (1Mt) a year.

Pohutu geyser in Te Whakarewarewa

First supercritical geothermal site chosen

Wed 10 Sep 2025

By Pattrick Smellie | Land within Rotokawa Geothermal Reservoir in the Taupō Volcanic Zone has been selected as a preferred site for New Zealand’s first supercritical geothermal exploration, with design work already underway to develop the first well, Regional Development Minister Shane Jones says.

Polar geoengineering ideas 'dangerous'

Wed 10 Sep 2025

Geoengineering will not save the polar regions from catastrophic meltdown, according to an expert.

Contact tries again for Southland windfarm

Wed 10 Sep 2025

Contact Energy has reapplied for consent for its Southland wind-farm, lodging the project with the new fast-track regime after it was rejected earlier this year.

Labour leader Chris Hipkins speaking at the Climate Change and Business Conference in Auckland yesterday

‘Pick up the phone’ on climate change action, Hipkins urges Luxon

Tue 9 Sep 2025

By Pattrick Smellie | Prime Minister Christopher Luxon should reach out to the Labour Party if he wants  get a political deal on methane reductions and the Paris agreement rather than his two coalition partners, Labour leader Chris Hipkins says.

NZ needs to be part of a regional SAF strategy: Z, Air NZ

Tue 9 Sep 2025

By Pattrick Smellie | New Zealand needs to be part of a regional strategic approach to sourcing sustainable aviation fuel (SAF), with domestic production less the aim than ensuring access to the fuel from one of a number of strategically positioned bio-refineries around the world.

Meridian Energy water level guage at Lake Tekapo

La Niña set to prolong NZ hydro shortfall

Tue 9 Sep 2025

By Shannon Morris-Williams | With La Niña favouring a drier-than-normal spring across much of the South Island, hydro lakes are unlikely to recover without substantial rain and late snowmelt – keeping national storage levels below average.

Bleak future for skifields due to climate change - expert

Mon 8 Sep 2025

Winter snowfall was well below average for much of the country, with multiple skifields remaining closed due to a lack of snow, offering a glimpse into a "dire" future for snowsports in New Zealand, according to an expert.

Foresta head of project development and delivery Alex Johnson, Putauaki Trust chief executive John O’Brien, Foresta executive chairman Henry Chang, Kawerau Mayor Faylene Tunui, Foresta executive director Maurice Fabiani, business development manager

Kawerau's new hope: Plan to replace coal with pine ramps up

Mon 8 Sep 2025

By Diane McCarthy, Local Democracy Reporter | Construction on a $300 million wood pellet plant in the Eastern Bay of Plenty is expected to start next month, with hopes it could cut the use of coal in New Zealand.