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Stories by Christa Marshall

Ontario Phases Out Coal-Fired Power

All the provinces coal-burning power plants will be shuttered by 2014, making the Canadian province the first coal-free jurisdiction in North America

January 11, 2013 — Christa Marshall and ClimateWire

Can CO2 Be Captured and Sold?

A Canadian researcher hopes to prove that by running CO2 through pulverized rock, he can both capture the greenhouse gas and sell the resulting carbonate

December 21, 2012 — Christa Marshall and ClimateWire

Oil Sands' CO2 Emissions Could be Higher Than Thought

A new finding comes amid a debate about the carbon footprint of the oil sands generally. Emissions released from burning them still would be small compared with those from burning coal and natural gas...

March 13, 2012 — Christa Marshall, Tiffany Stecker and ClimateWire
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Science or SciFi?

Science or SciFi?

Vanishing Particles. Spooky Action.