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.
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.
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.