Providing support for ambitious implementation of the Climate Action Plan to achieve near-term emission reductions and to enable the Obama Administration to put forward an ambitious offer for the 2015 agreement.
The White House’s climate action plan aims to transform the U.S. electricity system in the coming decades. The President directed the Environmental Protection Agency (EPA) to develop and implement standards to reduce carbon dioxide pollution from power plants, double renewable energy in the United States by 2020, and open public lands to an additional 10 gigawatts of renewable energy development, enough to power more than 6 million homes.
The big question is: Are renewable energy sources up to the task of taking on a significant portion of the country’s electricity? Recent trends and data show that the answer to this question is a definitive “yes.”
Four big signs that renewable energy is ready for the limelight include:
President Obama’s newly announced National Climate Action Plan will make serious progress on reducing pollution and curbing climate change. But importantly, the United States can also save billions of dollars each year by fully implementing all aspects of the plan.
Is it time to give up on reducing emissions? Absolutely not.
Better to Pursue Climate Action Now
While things may look bad today, unchecked global warming will exponentially increase the human and economic toll of responding to a permanently altered planet. A recent report from the World Bank outlines the devastating effects of a global temperature rise of 4 degrees Celsius (7.2 degrees Fahrenheit) above pre-Industrial levels: flooding of coastal cities, risks to food production, unprecedented heat waves, increased frequency of killer storms, and more. This is not the future that we want to leave our children and grandchildren. Nor can we simply adapt to this future – even if we wanted to.
The IEA makes it clear that acting now will be less costly than waiting until later on. We should be moving toward a low-carbon future, investing in low-carbon energy systems, and preparing our infrastructure for oncoming climate impacts. According to the IEA, delaying action would increase the costs by having to retrofit energy sources and risking their becoming obsolete. The IEA lays out four sensible measures that countries can undertake to curb growth in GHG emissions by 2020—and which come at no net economic cost.
The U.S. Department of Energy made a big announcement late last week, green lighting the country’s second liquefied natural gas (LNG) export project. Many argue that natural gas exports will bring economic and geopolitical benefits for the United States--with Japanese and French companies coming on board as key partners in the proposed export station.
Indeed, natural gas can contribute to a lower-emissions trajectory--but only if it’s done right. With effective policies and standards in place, natural gas can help displace coal while complementing lower-carbon, renewable energy sources. But without these protections, U.S. LNG exports will likely lead to an increase in domestic greenhouse gas (GHG) emissions and, as discussed below, may have a negative effect on global climate change.
U.S. natural gas production is booming. According to the Energy Information Administration (EIA), production grew by 23 percent from 2007 to 2012. Now—with production projected to continue growing in the decades ahead—U.S. lawmakers and companies are considering exporting this resource internationally. But what are the climate implications of doing so?
This is a topic I sought to address in my testimony yesterday before the U.S. House of Representatives Energy and Commerce Subcommittee on Energy and Power. The hearing, “U.S. Energy Abundance: Exports and the Changing Global Energy Landscape,” examined both the opportunities and risks presented by exporting liquefied natural gas (LNG). I sought to emphasize a number of points that are often overlooked in this discussion; in particular, fugitive methane emissions and cost-effective options for reducing them.
Environmental Impacts of Natural Gas Production
While burning natural gas releases half the amount of carbon dioxide as coal, producing the fuel comes with considerable environmental risks (see: here, here, and here). We’re already seeing these risks play out domestically. In addition to habitat disruption and impacts on local air and water quality, one of the most significant implications of natural gas production is fugitive methane emissions.
The U.S. Environmental Protection Agency (EPA) recently released its annual greenhouse gas (GHG) inventory report. Using new data and information, the EPA lowered its estimate of fugitive methane emissions from natural gas development by 33 percent, from 10.3 million metric tons (MMT) in 2010 to 6.9 MMT in 2011. While such a reduction, if confirmed by measurement data, would undeniably be a welcome development, it doesn’t mean that the problem is solved.
Here are five big reasons we should care about fugitive methane emissions:
1) Emissions Are Still Too High.
Methane is a potent greenhouse gas and a key driver of global warming. Methane is 25 times stronger than carbon dioxide over a 100-year time period and 72 times stronger over a 20-year period. In fact, 6.9 MMt of methane is equivalent in impact to 172 MMt of CO2 over a 100-year time horizon. That’s greater than all the direct and indirect GHG emissions from iron and steel, cement, and aluminum manufacturing combined. Reducing methane emissions is an essential step toward reducing U.S. greenhouse gas emissions and slowing the rate of global warming.
A new report from CERES draws a connection between water risk and hydraulic fracturing in the United States. The report adds an important dimension to the conversation about how energy use and water stress will play out in the years ahead.
The report, Hydraulic Fracturing & Water Stress: Growing Competitive Pressures for Water, brings together Aqueduct’s high-resolution water stress maps with FracFocus.org data on the location and water use of U.S. shale oil and gas wells. The complete map (see below) shows where potentially water-intense hydraulic fracturing is happening in water-stressed areas.
The results of the study are eye-opening: Almost half of the more than 25,000 oil and gas wells mapped by Ceres are in water basins with either high or extremely high water stress.
This post originally appeared on the National Journal's Energy Experts blog. It is a response to the question: "What's holding back energy and climate policy?"
We are in a race for sure, but it is not a race among various national issues. It’s a race to slow the pace of our rapidly changing climate. The planet is warming faster than previously thought, and we cannot afford to wait for national politics to align to make progress in slowing the dangerous rate of warming.
Recent events, like the tragedy at Sandy Hook elementary school, propelled gun control front and center. Last year’s elections shifted the national conversation on immigration. Climate change, too, should demand the attention of our national leaders.
The evidence of climate change is clear and growing. In 2012, there were 356 all-time temperature highs tied or broken in the United States. As of March, the world had experienced 337th consecutive months (28 years) with a global temperature above the 20th century average. Global sea levels are rising and artic sea ice continues to shrink faster than many scientists had predicted.
There are indications that Americans are deepening their understanding about climate change, especially when it comes to its impacts. People are beginning to connect the dots around extreme weather events, rising seas, droughts and wildfires, which have been coming in increasing frequency and intensity in recent years. The National Oceanic and Atmospheric Administration calculated that weather-related damages in the United States were $60 billion in 2011 alone.
The rapid expansion of natural gas development in the United States has been a double-edged sword. While natural gas supporters are quick to point out its economic benefits and green attributes—natural gas produces roughly half the carbon dioxide emissions of coal during combustion—this isn’t the whole story. Natural gas comes with environmental consequences, including risks to air and water quality.
One risk is “fugitive methane emissions,” potent greenhouse gases that escape into the atmosphere throughout the natural gas development process. This methane—which is 25 times more potent than carbon dioxide over a 100-year timeframe—contributes to global warming and undercuts the climate advantage that cleaner-burning natural gas has over coal and diesel. (Learn more about fugitive methane emissions in our recent blog post.)
Despite the controversy surrounding natural gas development, energy forecasts suggest that natural gas is here to stay. Fortunately, several pathways are available to limit the climate impacts associated with its development. WRI just released a working paper, Clearing the Air: Reducing Upstream Greenhouse Gas Emissions from U.S. Natural Gas Systems, which outlines a number of state and federal policies and industry best practices to cost-effectively reduce fugitive methane emissions. We find that with the right amount of reductions, natural gas does offer advantages from a greenhouse gas (GHG) emissions perspective over coal and diesel.
Natural gas is booming in the United States. Production has increased by 20 percent in the last five years, fueled largely by technological advances in shale gas extraction. Other countries--including China--are now studying our experience with this abundant new resource.
But the growing role of natural gas in the U.S. energy mix hasn’t come without controversy. Natural gas development poses a variety of environmental risks. In addition to habitat disruption and impacts on local water and air quality, one of the most significant concerns is the climate impact resulting from the “fugitive methane emissions” that escape into the atmosphere from various points along the natural gas supply chain.
So what are fugitive methane emissions, and how big of a problem are they? How do emissions from natural gas compare to those from coal? And are there ways to mitigate them? The answers to these questions will help us better understand how natural gas development will affect climate change.