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Cannabis plants could help in the fight against climate change

28 Nov 2022


A team of scientists from Hudson Carbon – a research center based in New York which studies carbon storage – cannabis plants could be the missing player in humanity’s fight against climate change, as hemp can absorb carbon dioxide from the atmosphere more than twice as effectively as trees. 

The experts found that, while trees can capture about six tons of CO2 per year, hemp can suck up to 16 tons. Moreover, CO2 also becomes permanently encased within hemp fibers, which can be used in a variety of products, ranging from textiles and car parts to medicine.


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New Zealand
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Christchurch Mayoral hopeful Sara Templeton (centre) is promising sustainable transport for the city.

Climate at the ballot box in local govt elections

Mon 15 Sep 2025

By Shannon Morris-Williams | Climate action as well as anti-climate stances are both the subject of promises at this year's local government elections, with pledges to focus on resilience to extreme weather events widely supported, while plans for cutting emissions have been countered by promises to block such action, as voting papers hit mailboxes last week.

Industry struggles with double-digit power price hikes

Mon 15 Sep 2025

As power prices surge by double-digit amounts for the second year in a row, industrial users can’t keep absorbing cost increases, the Major Electricity Users’ Group says.

Coal imports up 650%

Fri 12 Sep 2025

By Shannon Morris-Williams and Liz Kivi | Coal imports are up 650% as generators stockpile the most polluting fossil fuel ahead of next winter.

Invites-only fast-track for seabed mine slammed as 'rushed, awful'

Fri 12 Sep 2025

By Shannon Morris-Williams | With the wider public shut out of submissions, critics including Te Pāti Māori, Kiwis Against Seabed Mining and Greenpeace say the process strips away robust scrutiny and risks setting a dangerous precedent.

Media round-up

Fri 12 Sep 2025

In our round-up of climate coverage in local media: Climate adaptation discussions descended into political squabbling at a recent conference; New Zealand may find itself no longer trusted by allies if it ditches climate goals; and are we living through the fastest energy transformation in human history?

Lord Adair Turner

'Non-negotiable' – EU carbon pricing to hit Kiwi exporters, expert warns

Thu 11 Sep 2025

By Shannon Morris-Williams | High carbon exports will inevitably face a high carbon tax at the EU border, possibly in the next five years, and high methane agricultural products might not be exempt, an international expert told a local audience yesterday.

Heather Peacocke speaking at this week's Climate Change and Business Conference

'Reframe' climate conversations - focus on thriving together, says advisor

Thu 11 Sep 2025

By Shannon Morris-Williams | New Zealand must mirror its Covid-19 response if it wants to get buy-in from the public on climate action, according to Ministry for the Environment chief advisor Heather Peacocke.

Declining sea-ice is altering Antarctic food webs

Thu 11 Sep 2025

A new study shows a significant change in Antarctic phytoplankton over time that could cascade through the marine food web and affect the ocean’s capacity as a carbon sink.

Indigenous forest 'islands' could help transition exotic plantations to native bush

Thu 11 Sep 2025

Native forest 'islands' within exotic plantations might be the key to transitioning plantations from exotic to Indigenous, according to new research.

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.

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