A 'black magic' CO2 fix
12 Dec 2008
Biochar, similar to charcoal used by pre-Columbian Amazonian cultures to boost crop yields, could help the fight against climate change by securely locking carbon away in soils for thousands of years, according to the December-January issue of ECOS magazine.
Biochar is made by heating woody waste at high temperatures without oxygen, a process that also produces biogas and usable ‘bio-oil’, renewable energy sources. The stable black carbon-rich solid left after these are captured can remain in soil for up to 5000 years.
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Common low-grade clay strengthens low-carbon concrete
Today 11:30am
Media release | Engineers at RMIT University have converted low-grade clay into a high-performance cement supplement, opening a potential new market in sustainable construction materials.
Experts examine climate impacts on Pacific health
Wed 4 Jun 2025
Media release | The devastating impacts of climate change on health in the Pacific Islands will be discussed at a symposium at the University of Auckland tomorrow, 5 June.
NZ's first chance in 20 years to catch up on waste
Fri 30 May 2025
Media release | The government has announced proposals for updating the Waste Minimisation Act and the Litter Act. For the first time in nearly 20 years, Kiwis have a chance to catch up with other countries to reduce our waste and litter.
New research reveals NZ’s natural resource footprint
29 May 2025
Media release | New research from the office of the Parliamentary Commissioner for the Environment reveals that about 107 million tonnes of natural resources were required to produce the goods and services consumed by New Zealanders in 2019 – approximately 21 tonnes per person on average.
Urban rewilding combats global biodiversity decline
28 May 2025
Media release | A new study led by the University of Sydney reveals how cities around the world are restoring wildlife to their former habitats in the face of ongoing urban sprawl.
Water crisis on the horizon?
26 May 2025
Media release | Sewage contaminating Auckland oyster farms highlights the “dire state” of water infrastructure in Aotearoa, says University of Auckland Associate Professor Daniel Hikuroa.
Almost half a million blue sharks caught as ‘bycatch’ in Pacific - Greenpeace
22 May 2025
Media release | A new analysis of the latest fisheries data by Greenpeace Australia Pacific has revealed widespread slaughter of sharks in the Pacific Ocean by industrial longline fishers.
Most people trust climate scientists less than other scientists, but not everywhere
21 May 2025
Media release | Climate scientists are overall less trusted than other types of scientists, according to a new study led by the UNSW Institute for Climate Risk & Response.
Key rules agreed for credible climate project crediting under UN carbon market
19 May 2025
Media release | A UN Body responsible for setting up a carbon market under the Paris Agreement adopted important new standards to guide how emission-reducing projects measure their impact.
Greenpeace slams govt for failure to commit to protecting rivers
19 May 2025
Media release | Greenpeace Aotearoa is slamming the Government after Parliamentary Under-Secretary for RMA Reform, Simon Court, refused to commit to upholding Water Conservation Orders, which protect lakes and rivers.
