Posted on February 4, 2015 by Bob Berwyn
Oil price drop should be bigger factor in evaluations
By Bob Berwyn
FRISCO — In case there was ever any doubt (and there wasn’t), the EPA this week made it clear that construction of the Keystone XL Pipeline would result in a significant increase in greenhouse gas emissions.
The agency’s formal comment letter to the State Department focused on shifting market conditions, including the recent dip in oil prices, pointed out that the overall analysis for the pipeline failure to explore alternative routes that would not put critical land and water resources at risk. Continue reading
Filed under: energy, Environment | Tagged: climate, EPA, global warming, greenhouse gases, Keystone XL pipeline | 2 Comments »
Posted on January 25, 2015 by Bob Berwyn
Can carbon and underground storage capture help mitigate the climate impacts of carbon dioxide?
Heat-trapping greenhouse gas trapped in salt formation beneath shale layer
FRISCO — Engineers in the Midwest say they’ve managed to capture and store 1 million metric tons of CO2 in underground rock and mineral formations, helping to test the long-term viability of carbon-capture technology.
The project is part of the development phase of the Department’s Regional Carbon Sequestration Partnerships initiative, which is helping develop and deploy carbon capture and storage technologies across the country. Continue reading
Filed under: climate and weather, climate change, energy, global warming | Tagged: carbon capture, carbon sequestration, climate change, global warming, greenhouse gases | 1 Comment »
Posted on January 15, 2015 by Bob Berwyn
Proposal targets 40-45 percent cuts by 2015
Colorado fracking operations waste significant amounts of methane each year through leakage and flaring. The Obama wants to invest in adoption of new capture technologies to help reduce methane emissions.
More methane means more global warming.
By Bob Berwyn
FRISCO — Colorado’s reactionary oil and gas industry once again showed its true colors with a nasty reaction to this week’s White House announcement on methane.
When President Obama said his administration will find ways to cut methane emissions from the oil and gas sector by 40-45 percent from 2012 levels by 2025, the fossil fuel dinosaurs roared that it’s nothing but more red tape, showing how they still don’t recognize the existential threat posed by global warming. Continue reading
Filed under: climate and weather, climate change, global warming | Tagged: climate change, energy, Environment, fracking, global arming, greenhouse gases, methane, Obama methane rules, oil and gas | 4 Comments »
Posted on December 29, 2014 by Bob Berwyn
Beavers are thriving — and as their populations grow, so do emissions of heat-trapping methane from their ponds.
Shallow ponds and wetlands provide ideal conditions for methanogenesis
FRISCO — Long praised — and sometimes faulted — for their industrious nature, beavers may also play a role in the global greenhouse gas equation. As their populations have increased in the past 100 years, hey have created conditions for heat-trapping methane gas to be generated in this shallow standing water, and the gas is subsequently released into the atmosphere.
Canadian researchers say the amount of greenhouse gases released from beaver ponds today is 200 time more than in 1900, when the animals had nearly been eradicated by trappers. The study, published in the journal AMBIO², tried to quantify how growth in beaver numbers in Eurasia and the Americas could be having on methane emissions. Continue reading
Filed under: climate and weather, global warming, wildlife | Tagged: beaver ponds, beavers, climate change, Environment, greenhouse gases, methane | 2 Comments »
Posted on December 22, 2014 by Bob Berwyn
More methane means more global warming.
Thin permafrost cap at risk as oceans warm
FRISCO — Arctic scientists say a thin cap of seafloor permafrost that caps potent greenhouse gases will probably start to leak more as the oceans warm.
The research focused on the Kara Sea near Siberia’s Yamal Peninsula, where recent permafrost sinkholes have triggered concerns about increasing releases of methane. Continue reading
Filed under: climate and weather, Environment, global warming | Tagged: climate change, global warming, greenhouse gases, methane, permafrost | Leave a comment »
Posted on December 12, 2014 by Bob Berwyn
Concentrations of heat-trapping methane are increasing steadily in the Earth’s atmosphere.
‘What surprised me was that every well we measured had some methane coming out …’
FRISCO — Fixing leaky pipes and other equipment at operational oil and gas wells would go a long way toward cutting emissions of heat-trapping methane pollution, but wells that were abandoned decades ago could be another big source of the potent greenhouse gas.
Princeton University researchers recently tested several abandoned oil and natural gas wells in northwestern Pennsylvania, finding that many of the old wells leaked substantial quantities of methane. By some estimates, there are as many as 3 million abandoned wells across the U.S. Continue reading
Filed under: climate and weather, climate change, energy, Environment, fracking, gas drilling, global warming, oil drilling | Tagged: climate change, fracking, global warming, greenhouse gases, methane, oil and gas | Leave a comment »
Posted on December 2, 2014 by Bob Berwyn
Effectively reducing greenhouse gas emissions on a global level means tackling transportation, which accounts for more than 25 percent of all CO2 emissions in the U.S. bberwyn photo.
FRISCO —Planners and elected officials may not be able to ignore the climate impacts of transportation for much longer. A California appeals court last week ruled against the San Diego Association of Governments in a lawsuit centered on a freeway oriented plan that fails to assess climate and public health risks of a transportation plan that invests heavily in freeways and subsidizes sprawl at the expense of public transit.
The transportation sector is the second biggest source of greenhouse gases (28 percent, just behind power generation (32 percent). he majority of greenhouse gas emissions from transportation are CO2 emissions resulting from the combustion of petroleum-based products, like gasoline, in internal combustion engines.
According to the EPA, the largest sources of transportation-related greenhouse gas emissions include passenger cars and light-duty trucks, including sport utility vehicles, pickup trucks, and minivans. These sources account for over half of the emissions from the sector. The remainder of greenhouse gas emissions comes from other modes of transportation, including freight trucks, commercial aircraft, ships, boats, and trains as well as pipelines and lubricants. Continue reading
Filed under: air quality, climate change, Environment, global warming | Tagged: climate change, freeways, global warming, greenhouse gases, San Diego, transportation | 2 Comments »