Archive for the ‘Climate change’ Category

An “Inconvenient Truth” about Composting


Commercial Scale Composting

Composting is a really green thing to do, right? I’ve always thought so since my Grandfather taught me to do it in the early sixties. Large-scale composting is getting to be quite the rage. The City of San Francisco attracted a great deal of attention with it’s mandatory food scrap recycling program and lots of local wineries are bragging about their use of that compost to fertilize their vineyards.

I just read today about how the Langley Parish Council in England is setting up a village compost and “set an example to small villages as the UK strives to battle climate change.”  Unfortunately, I recently learned that they and San Francisco and the Napa wineries might actually be doing is contributing to climate change.

Climate change science often ends up challenging things we think we know.

Inconvenience

The idea of composting is to provide plenty of moisture and oxygen so that microbes will digest the easily available organic matter and generate a great deal of metabolic heat in the process.  What is left at the end is a sterilized source of more resistant organic matter that can enrich a soil. 


Composting

of wastes is done with very good intentions, but there is the inconvenient truth that even a very well run large-scale compost operation emits some methane.

But if you stop to think about it, as much as you intend to have oxygen available to the whole pile (aerobic conditions), there are definitely going to be micro-sites that are going to lack oxygen (anaerobic conditions) particularly when there is huge oxygen demand during the peak of the process. That is where methane gets made.

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Christianity and the Environment Part II: Beyond Recycling and Conservation


In a previous post, I discussed the clear relationship between Christianity and the environment that is expressed throughout the Bible. Here are some more thoughts, including slightly more controversial ones.

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Personal Happiness and the Environment: A Sustainability Connection


In previous posts, I discussed the “Sustainability Prism”, the link between personal happiness and the economy, and the link between personal happiness and equity. In this post, I am exploring one more connection in this prism — the connection between personal happiness and the environment.

A common awareness all over the world now is that a major problem causing worldwide pollution, loss of natural lands, and extinction of species is overconsumption in the United States, and the developed world, in general. What is at the root of this overconsumption? Is it cheap production, and technology ‘improvements’ allowing for mass-production? Is it television and superb advertising of products? Is it the greed of rich and comfortable people?
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Environmental Defense Fund: Climate Report - Life in a Very Different United States

Today’s post is by Lisa Moore, a climate scientist at EDF.

NOAA recently released a terrific scientific report that explains, in plain English, the current and projected effects of climate change on the U.S. The nonpartisan report, prepared by the 13-agency U.S. Global Change Research Program, tells a grim but important story, clearly and with lots of powerful maps and charts. I encourage you to check it out to see how climate change will affect your area of the country.

Here are some of the “business-as-usual” projections that my colleagues and I find most striking and disturbing:

You think August is hot now?

By the end of this century, we could be in for much more severe summers all across the country (see maps that follow).

  • If you live in New Hampshire, summer could feel like it does today in North Carolina (p.107).
  • If you live in Michigan, brace yourself for summers that feel like today’s summers in Oklahoma (p 117).
  • And if you live in Texas, you now experience 10 to 20 days a year over 100 °F. By the last two decades of this century, look for 100 such days - that’s more than three months (p. 90).
  • Read the rest of this entry »

Top Global Warming Causes - Natural or Human?

volcano smokestackIf you’ve followed the debate over climate change even a little, you likely know the main causes of global warming: concentrations of greenhouse gases build up in the Earth’s atmosphere, and create a “greenhouse,” or warming effect. You’re likely also aware that evidence of past warming periods has fueled the argument that natural causes are largely responsible for current global warming, and thus, our choices of ways to reduce global warming are limited. If Nature’s calling the shots, is there any reason to change human activities that increase levels of carbon dioxide, methane, and other greenhouse gases?

While arguments persist, there’s little doubt that human-produced greenhouse gas emissions play a major role in the current warming trend. Nature has a role, but it pales in the face of increasing emissions from human activity.

What are some of the natural causes of global warming?

Think back to science classes from school. You undoubtedly learned at some point that carbon dioxide is a naturally-occurring compound, that it provides food for plant life, and that animals breathe it out. You may have also learned that decaying organic material releases CO2. There’s no need to question these facts. Greenhouse gases can be emitted into the atmosphere from a variety of natural sources.

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A Warming World Could Mean More Destructive Storms

flooded cars during hurricane katrinaBy Lester R. Brown

Elevated global temperatures bring a number of threats, including rising seas and more crop-withering heat waves. Higher surface water temperatures in the tropical oceans also provide more energy to drive tropical storm systems, leading to more-destructive hurricanes and typhoons. The combination of rising seas, more powerful storms, and stronger storm surges can be devastating.

As noted in my most recent book, Plan B 3.0: Mobilizing to Save Civilization, just how devastating this combination can be became evident in late August 2005, when Hurricane Katrina came onshore on the U.S. Gulf Coast near New Orleans. In some Gulf Coast towns, Katrina’s powerful 28-foot-high storm surge did not leave a single structure standing. New Orleans survived the initial hit but was flooded when the inland levees were breached and water covered everything in large parts of the city except for the rooftops, where thousands of people were stranded. Even in August 2006, a year after the storm had passed, the most damaged areas of the city remained without water, power, sewage disposal, garbage collection, or telecommunications.

With advance warning of the storm and official urging to evacuate coastal areas, 1 million or so evacuees fled northward into Louisiana or to neighboring states of Texas and Arkansas. Of this total, more than 200,000 have not yet returned home and will likely never do so. These storm evacuees are the world’s first large wave of climate refugees.

Katrina was the most financially destructive hurricane ever to make landfall anywhere. It was one of eight hurricanes that hit the southeastern United States in 2004 and 2005. As a result of the unprecedented damage, insurance premiums have doubled, tripled, and even in some especially vulnerable situations gone up 10-fold. This enormous jump in insurance costs is lowering coastal real estate values and driving people and businesses out of highly exposed states like Florida.

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Renewing the Countryside: Five Reasons Why the Next Generation Can Revitalize Rural America

Talk about a recipe for potential disaster.  Combine a down economy, changing agriculture practices, rising unemployment and the end result looks grim.  But here’s the secret ingredient  revitalizing and greening our countryside:  young people under 35.

Profiled in the new book, Renewing the Countryside: Youth, this new generation is making their mark on rural areas, from starting new farms to putting out their own entrepreneurial shingle in small towns. Renewing the Countryside: Youth showcases fifty case study stories, one from each state in the United States, cooking up a super-size serving of inspiration for what can be done in similar communities throughout rural America.

Renewing the Country (RTC), a Minnesota-based non-profit organization, specializes in championing such stories, telling the story of the small-scale but big impact individuals and organizations that are creatively crafting livelihoods that positively impact their rural communities. While other RTC books focus on stories within specific states such as Wisconsin, this latest book project, published in partnership with the Sustainable Agriculture Research and Education (SARE), uniquely celebrates rural youth.

In addition to the case study stories themselves, the engaging writing and photography also came from a team young artists across the nation. But beyond the inspiring read, this book serves as a starter blueprint for others looking to either return to or plant new roots in rural America, no matter one’s age.  Looking at these case study stories collectively, five themes emerge that identify why this particular group of young people are succeeding in the countryside: Read the rest of this entry »

Bonnaroo: The (Greener) Summer Music Festival

2009 bonnaroo music and arts festival

In just seven years the Bonnaroo Music and Arts Festival has emerged as the premier music festival in the United States, if not the world. With the biggest names in music from genres across the musical spectrum taking to thirteen stages and providing festival-goers with four days of good music, danceable beats and pleasing melodies, this year’s Bonnaroo, from June 11-14 in Manchester, Tennessee will be no different from the last seven.

But in addition to the mountains of music and non-musical activities, the festival, which last year was named one of eighteen music festivals worldwide to receive the Greener Festival award, added several new green dimensions to its already impressive greening efforts.

Like the much newer Rothbury Festival up in Michigan, festival organizers at Bonnaroo have been hard at work finding new ways to green the festival scene and engage fans in discussions, seminars and educational programs about important sustainability topics and the pressing environmental issues of today. In addition to incorporating an environmental mission statement into every vendor contract, festival organizers have built upon past successful sustainability efforts and mixed in some new ones to give festival attendees a greener music festival experience.

Below are a few of the pre-festival green highlights, but stay tuned to Green Options for green updates, photos, interviews and reports from the ground at this year’s Bonnaroo Music and Arts Festival. Read the rest of this entry »

Melting Ice Could Lead to Massive Waves of Climate Refugees

greenland glaciersAs the earth warms, the melting of the earth’s two massive ice sheets—Antarctica and Greenland—could raise sea level enormously. If the Greenland ice sheet were to melt, it would raise sea level 7 meters (23 feet). Melting of the West Antarctic Ice Sheet would raise sea level 5 meters (16 feet). But even just partial melting of these ice sheets will have a dramatic effect on sea level rise. Senior scientists are noting that the Intergovernmental Panel on Climate Change (IPCC) projections of sea level rise during this century of 18 to 59 centimeters are already obsolete and that a rise of 2 meters during this time is within range.

As I note in Plan B 3.0: Mobilizing to Save Civilization, assessing the prospects for the Greenland ice sheet begins with looking at the warming of the Arctic region. A 2005 study, conducted by the Arctic Climate Impact Assessment (ACIA) team, an international group of 300 scientists, concluded that the Arctic is warming almost twice as fast as the rest of the planet. It found that in the regions surrounding the Arctic, including Alaska, western Canada, and eastern Russia, winter temperatures have already climbed by 3-4 degrees Celsius (4–7 degrees Fahrenheit) over the last half-century.

In testimony before the U.S. Senate Commerce Committee, Sheila Watt-Cloutier, an Inuit speaking on behalf of the 155,000 Inuits who live in Alaska, Canada, Greenland, and the Russian Federation, described their struggle to survive in the fast-changing Arctic climate as “a snapshot of what is happening to the planet.” She called the warming of the Arctic “a defining event in the history of this planet.” Read the rest of this entry »

Bjorn Lomborg on Who the Environmentalists Forgot

bjorn lomborgWhen the headlines told us that the global warming debate was over, it seemed like we environmentalists could breathe a collective sigh of relief. The United States elected a cap-and-trade-sympathetic administration, and the Environmental Protection Agency says it is going to exert some of the “P” in its acronym after it formally labeled carbon dioxide a pollutant last month. So now that the debate is over, has the discussion ended?

Much of what I assumed to be climate consensus has been turned on its head since I moved to the Midwest from New York. Meaning, there a lot of people here in the Middle who care about environmental issues but are not convinced climate change is related to human activities and/or is as dire as predicted. I believe it is. . .and I also believe that in order to get buy-in from such diverse constituents, it’s imperative that we engage in dialog with those who hold differing opinions.

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