September 12, 2013, 7am PDT
A new study from the U.N. Food and Agriculture Organization found that the 1.3 billion tons of food wasted every year make it one of the largest sources of greenhouse gas emissions.
July 1, 2013, 6am PDT
Two very different grades are assigned, one from David Hawkins, Director of Climate Programs at NRDC; the other from a college senior working on a fossil fuel divestment campaign. Michael Brune of the Sierra Club differs with Hawkins on natural gas.
June 28, 2013, 9am PDT
A new research study out of Switzerland quantifies the disproportionate contribution to greenhouse gas emissions made by large homes and relatively long commutes. In one Swiss town, twenty-one percent of households create 50 percent of the emissions.
June 25, 2013, 11am PDT
It doesn't involve cap-and-trade or a major international protocol, but the sweeping climate plan unveiled by President Obama today is 'the most far-reaching effort by an American president' to address climate change. Best of all, it skirts Congress.
June 24, 2013, 12pm PDT
At the beginning of a two-day trip to India, the world's third largest emitter of carbon dioxide, U.S. Secretary of State John Kerry made solving climate change a focus of his public remarks. The U.S.'s own failures elicited skepticism from locals.
June 18, 2013, 11am PDT
An historic plan to limit greenhouse gas emissions is being covertly developed by the Obama administration, reports Neela Banerjee. The plan could for the first time set limits on the country's biggest emitters: power plants.
June 1, 2013, 1pm PDT
A new infographic shows in elegant detail exactly how much individual sources and sectors contribute to global greenhouse gas emissions. Brad Plumer parses the data.
April 24, 2013, 9am PDT
California's cap-and-trade program is barely five months old, and already it's expanding its horizons. Officials announced last week that the program is merging with one operated in the Canadian province of Quebec.
April 19, 2013, 10am PDT
According to a newly released report by the Paris-based International Energy Association (IEA), "Tracking Clean Energy Progress 2013", notwithstanding some bright spots, there is little progress in reducing the carbon content of energy sources.
The Hill's Energy & Environment Blog
March 31, 2013, 1pm PDT
A new IMF report recommends cutting energy subsidies globally to reduce overall fossil fuel emissions, reports Brad Plumer.
March 17, 2013, 7am PDT
Juliet Eilperin reports that the Obama administration's much lauded proposal to regulate greenhouse gas emissions from new power plants will miss an upcoming deadline for finalization, and will likely be revisited.
March 15, 2013, 7am PDT
Claire Martin examines research conducted by engineering firm Arup and the Clinton Climate Initiative into the actions that cities are taking to reduce their emissions and identifies five cities, including one surprise, that are leading the charge.
March 6, 2013, 11am PST
Although California has long been a pioneer in protecting the environment, for its most innovative policies - from mandating renewable energy to limiting greenhouse gas emissions - to succeed, it will need other states, and countries, to follow.
March 1, 2013, 6am PST
In the mountains surrounding L.A. stand some of the most advanced environment analyzing technology in the U.S. The result of this analysis could be "a groundbreaking development in the worldwide fight against global warming."
February 21, 2013, 1pm PST
Part of a larger strategy to address its numerous environmental ills, the world's largest emitter of greenhouse gases will begin taxing carbon emissions, possibly as early as 2015.
February 14, 2013, 10am PST
Environmentalists likely found much to cheer in President Obama's support for bold action on climate change during the State of the Union address. Was their optimism premature?
January 26, 2013, 9am PST
Established eight years ago by a bipartisan coalition of Northeast and mid-Atlantic governors, the Regional Greenhouse Gas Initiative was the first cap-and-trade system established in the U.S. It now faces an uncertain future.
December 29, 2012, 5am PST
NYC's recently released energy efficiency ratings are full of surprises: 1930s landmarks such as the Chrysler and Empire State Buildings outperformed later mid-century structures, as well as contemporary LEED-rated designs.
November 6, 2012, 8am PST
Increasing mileage standards will do little to measurably reduce greenhouse gas emissions. In order to seriously tackle climate change we need to ditch the cars, and the development patterns they encourage, and move to walkable places.
October 14, 2012, 11am PDT
It's hard to believe that in the decades since the impact of greenhouse gas emissions were first recognized, no standard for measuring and calculating emissions has been developed. The introduction of the Community Protocol intends to change that.