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Stories by Niina Heikkinen

Ocean's Oxygen Starts Running Low

Rising levels of CO2 are making it hard for fish to breathe in addition to exacerbating global warming and ocean acidification

May 2, 2016 — Niina Heikkinen and ClimateWire

A Carbon Tax on Meat?

Health officials say taxing red meat could improve people's diets and lower greenhouse gas emissions, but economists say it won't work

February 4, 2016 — Niina Heikkinen and ClimateWire