The carbon cycle

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a man and woman standing in front of a whiteboard with graphs on the wall
Carbon Watch & 50 years of CO2 measurements in NZ
Carbon Watch NZ is a collaborative project to measure our greenhouse gases – where they are coming from and where they are going to. When it comes to greenhouse gases in the atmosphere, the biggest culprit is carbon dioxide (CO2) – and it’s something that New Zealand has been interested in for a long time. New Zealand is home to the longest running continuous carbon dioxide measurements in the southern hemisphere, second only to Hawaii in the northern hemisphere.
a calculator surrounded by plants and bubbles
Trees That Count | Trees That Count
Native trees and CO₂ We’ve partnered with our friends Tāne’s Tree Trust, a non-profit charity who loves native trees as much as we do, to share access to their easy-to-use carbon calculator. The Tāne’s Tree Trust National Carbon Calculator helps you work out how many native shrubs and trees you’ll need to plant to mitigate your carbon footprint from today as your trees or forest grows over time.
a man in an orange shirt and hat standing on a dirt road near a field
Ag Matters: Soil carbon
Professor Louis Schipper of Waikato University explains what soil carbon is, why it matters, and why it’s currently difficult for New Zealand farmers and growers to verifiably increase their soil carbon stocks.
green and yellow flowers are growing in the blue water, with other plants behind them
Seaweed 'forests' can help fight climate change — NATIONAL GEOGRAPHIC
Farming seaweed, then sinking the mature plants to the bottom of the ocean, could be an effective way to fight warming. So why don’t we do it?
an aerial view of a lighthouse on the coast with green grass and rocks around it
Carbon dioxide in the atmosphere
Long-term studies show carbon dioxide levels in the atmosphere are rising. Radiocarbon carbon dioxide peaked in the 1960s but has since decreased. Much has been taken up by the ocean. Dr Kim Currie of NIWA is one of the scientists measuring this.
an underwater view of some fish swimming in the water and algae on the bottom part of the photo
Ocean dissolved gases
INFO SHEET: Ocean dissolved gases
a man wearing a hat standing in front of a fence with the words biogeocheism on it
What is biogeochemistry?
VIDEO CLIP: Professor Louis Schipper from Waikato University is a soil biogeochemist. He explains the meaning of the term ‘biogeochemistry’ and what it has to do with the cycling of elements and nutrients in the soil.
a man standing in front of a herd of cows on a lush green field with blue sky
EVER WONDERED VIDEO CLIP: Scientists play a part in international greenhouse gas protocols and conventions. Vanessa Sherlock’s research produces extremely accurate gas measurements, while Cliff Law’s investigations help him to advise on carbon credit policies.
a man standing in front of a fence with a green field behind him and trees on the other side
Peat bogs
In this video Dave Campbell of the University of Waikato discusses the importance of the peat bog wetland.
an aerial view of the ocean with rocks, water cycle and rock cycle labeled in black
Ocean and Earth cycles
IMAGE: The ocean is part of the water, carbon and rock cycles.
VIDEO CLIP: Associate Professor Abby Smith, from the University of Otago, talks about her research into the role that bryozoans can play in monitoring ocean acidification. Architecture, Industrial, Kunst, Global, Building, Eco Architecture, Architect Design
Ocean acidification
VIDEO CLIP: Associate Professor Abby Smith, from the University of Otago, talks about her research into the role that bryozoans can play in monitoring ocean acidification.
three different views of the same plane in color and black and white, each with an arrow
Carbon dioxide in the ocean
NZ RESEARCH STORY: Carbon dioxide in the ocean
a woman sitting in front of a computer monitor with a map on it's screen
The ocean and the carbon cycle
INFO SHEET: The ocean and the carbon cycle
an ocean scene with blue sky and white clouds
The ocean in action – introduction
TEACHING RESOURCES: The Ocean in Action - Meet New Zealand scientists studying the physical and chemical properties of the ocean, and explore the ocean’s role in transporting heat, water, salt and carbon around the Earth.
the carbon cycle is shown in this graphic above water, land and other things that are related to it
Carbon cycle
Explore this interactive diagram to learn more about the global carbon cycle.