Stories by Christa Marshall

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

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

Efforts to increase alternative energy or combat climate change, among other issues, came down to local concerns

Washington State and New Hampshire have seen campaigns for governor that prominently feature global warming as an issue

A new technology might be able to strip the CO2 from power plant emissions, and generate more electricity at the same time

An open letter calls on Barack Obama and Mitt Romney to address the challenges posed by rising seas as a result of climate change

The world faces a growing number of challenges surrounding water, from freshwater supply to flooding

The low-lying islands are struggling to cope with future sea-level rise and what it means for local communities

In a state famous for putting evolution on trial in the 20th century, teachers will now be able to avoid instructing students on the science behind global warming

Drilling for natural gas and storing CO2 deep underground may be headed for a collision

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

With the environmental impact of Canada's oil sands under increased scrutiny thanks to the Keystone pipeline, producers band together

Local officials are already planning infrastructure with climate change in mind

Despite a series of high-profile cancellations, projects to capture and store the carbon dioxide emissions from power plants and other sources are under construction

Experience with natural seeps in Italy suggests that any CO2 leaking from proposed underground storage is unlikely to kill

Efforts to capture the CO2 from making ethanol could help develop the technology for coal-fired power plants

Lab experiments have uncovered a new material that soaks up carbon dioxide and methane

Among the attitudes of the "Six Americas," only 40 percent of the U.S. is concerned about global warming

A new project at the Alberta oil sands is part of a $2-billion effort to test the technology at an unprecedented scale

The aim is to ensure that local lawmakers know where to look when trying to curb warming temperatures

The Garden State withdraws from the Regional Greenhouse Gas Initiative--a market to reduce carbon dioxide emissions in the U.S. Northeast

The cold in places like Florida actually could be a sign of warming, rather than an argument against the phenomenon

Oil sands extraction raises concerns among environmentalists because it generates more of the heat-trapping gases causing climate change than conventional oil drilling, among other things

The regulatory shift could shorten the wait time for permitting wind farms by three years or more