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Articles on Carbon capture and sequestration
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Carbon capture and sequestration can play a role in limiting warming but the nuances of its application are far more complicated than just planting trees. Getting it wrong could make warming worse.
Australia wants to allow export of CO₂ for the purpose of “sequestration”, or storage under the sea. Fossil fuel companies, or research organisations, would need to first apply for an export permit.
Fossil fuel power plants can avoid most emissions by capturing carbon dioxide and pumping it underground. But to be a climate solution, that carbon has to stay stored for thousands of years.
Carbon capture and storage could keep fossil fuel power plants running under newly proposed federal emissions standards, but it faces high hurdles.
Protecting old and mature trees is the simplest and least expensive way to pull carbon out of the atmosphere – but proposed logging projects threaten mature stands across the US.
The ocean twilight zone could store vast amounts of carbon captured from the atmosphere, but first we need a 4D monitoring system to ensure ramping up carbon storage does no harm.
From planting mangroves to dumping minerals in the ocean, there are lots of ideas for ocean carbon dioxide removal – and even more questions.
The goal of carbon neutrality changes everything. Canada can no longer limit itself to solutions that partially reduce emissions here and there. The chosen solution must be zero emissions.
Top contributors
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Guest investigator, Woods Hole Oceanographic Institution
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Professor Emeritus of International Environmental Policy, Tufts University
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Directeur de l’Institut de l’énergie Trottier, Polytechnique Montréal et Professeur de physique, Université de Montréal
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Professor Emeritus of Global Change Biology and Terrestrial Systems Science, Oregon State University
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Postdoctoral Researcher in Carbon Sequestration, Arizona State University
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Chercheur associé, Institut de l'énergie Trottier, Polytechnique Montréal
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Directeur exécutif, Institut de l'énergie Trottier, Polytechnique Montréal
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Associate Professor and Senior Global Futures Scientist, Arizona State University
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Professor of Engineering and Director of the Center for Negative Carbon Emissions, Arizona State University
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Professor of Culture, Risk and the Environment, University of British Columbia
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Junior Research Fellow in Climate Policy, The Fletcher School, Tufts University
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Director, Woods Hole Oceanographic Institution
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Professor, Deakin Law School, Deakin University
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Distinguished Professor of Climate Science, Simon Fraser University
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Chief Research Scientist, CSIRO Environment; Executive Director, Global Carbon Project, CSIRO
