Black Carbon

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• Curb Methane Emissions

  For several weeks now the public and the media have cast increasing attention on Arctic oil and gas drilling, specifically regarding the plans of Shell to explore in the Arctic waters off the coast of Alaska. This is, pardon the pun, only the tip of the iceberg when it comes…

  Climate July 23, 2012

• Arctic Drilling Must Protect the Climate

  Two years ago the world turned its attention to the Gulf of Mexico and the tragedy that was unfolding there, with the explosion of the Deepwater Horizon drilling platform. This disaster brought a reinvigorated focus to the safety of offshore drilling, but the term safety must now be understood to…

  Climate April 30, 2012

• Public Transit Buses: Diesel or CNG?

  Recently, Pittsburgh’s mayor, Luke Ravenstahl, announced that his city would buy four new garbage trucks fueled by compressed natural gas (CNG) rather than diesel because, among other reasons, it would improve local air quality. Like Pittsburgh, many municipalities are dealing with an aging fleet of vehicles and weighing the environmental…

  Policy March 12, 2012

• Ice and Oil; Oil and Ice

  Last month, U.S. scientists confirmed that the Arctic has lost the second highest annual amount of ice since monitoring began. Of the remaining ice, much more is thinner, single-year ice resulting from melting and refreezing during the year. Older, thicker multi-year ice has declined by 60% over the past 30…

  Climate October 17, 2011

• Live from Hanoi: Brick Kilns and Black Carbon, Up Close and Personal

  We got off to a slower than expected start – or at least slower than expected by me. This is my first kiln, but the veteran team I met up with has been measuring since early March. When we rendezvoused in Hanoi a couple of days ago, they already had…

  Climate May 11, 2011

• A Cleantech Revolution in Four Easy Steps

  A recent National Academy of Sciences report notes that CO2 lasts thousands of years in the atmosphere, so if we really want to limit the damage from climate change, we’ll need to drop the world’s energy system to near-zero emissions by 2050. Yet the U.N.’s climate chief, Cristina Figueres, recently…

  Electricity, Technology November 18, 2010

• Can We Control Black Carbon in the Arctic by Reducing Agricultural Fires?

  One long day down, and one to go at a global meeting in St. Petersburg, Russia, where climate scientists, fire experts, farmers, regulators and NGOs have been discussing the role of springtime fires on climate change in the Arctic and what must be done to reduce the occurrence of set…

  Climate November 9, 2010