population

"Re-Greening" the Sahel Through Farmer-Managed Natural Regeneration

by: BorderJumpers

Thu Apr 22, 2010 at 14:02

Cross posted from Worldwatch Institute's Nourishing the Planet.

For centuries, farmers in the Sahel-a band of land that crosses Africa at the southern fringe of the Sahara Desert-used rotational tree farming to provide year-round harvests and a consistent source of food, fuel, and fertilizer. But severe droughts and rapid population growth in the 1970s and 80s significantly degraded the Sahel's farmland, leading to the loss of many indigenous tree species and leaving the soil barren and eroded. With the loss of the trees went the knowledge, traditions, and practices that had kept the region fertile for hundreds of years.

To save the land as well as local livelihoods, many traditional management practices are now being revived. One inexpensive method of farming that helps to restore the Sahel's degraded land is so-called Farmer-Managed Natural Regeneration (FMNR) (see also Millions Fed: "Re-Greening the Sahel: Farmer-led Innovation in Burkina Faso and Niger"). By pruning shoots that periodically and naturally sprout from below-ground root webs, farmers can promote forest growth and take advantage of a naturally occurring source of fuel, food, or animal fodder.

The trees produce fruit rich in nutrients and help to restore the soil by releasing nitrogen and protecting the ground from erosion by wind and rain. The cultivated but naturally occurring forest also creates a local source of firewood and mulch, reducing the time spent in gathering fuel for cooking meals and cleaning households (see Reducing the Things They Carry). The practice also cuts down on deforestation as the trees that are used for fuel are replaced with seedlings and tended by farmers.

"Farmer-managed natural regeneration is a fairly simple technique, but it produces multiple benefits," explained Chris Reij, a natural resources management specialist with the Center for International Cooperation (and advisor to the Nourishing the Planet Project), at an Oxfam-hosted panel on locally driven agriculture innovations in Washington, D.C., last October. "Sometimes planting trees make sense, but in terms of costs and long-time success, in many cases it makes more sense to use natural regeneration."

As important as the technique itself is, even more important is making sure that farmers in the Sahel know about it. When farmers learn how they can benefit from the practice, they are quick to adopt it, improving their own livelihoods and food security while regenerating local forests. Reij attributes the overwhelming success of FMNR in Niger-where many villages have 10-20 times more trees than 20 years ago-to the reduced central-government presence in rural areas. With the government distracted by political conflict, forest management now belongs almost completely to the local farmers who benefit from FMNR the most. (See also Aid Groups, Farmers Collaborate to Re-Green Sahel.)

To ensure that even more farmers know about FMNR and its benefits, the Web Alliance for the Re-Greening in Africa (W4RA), a joint project between African Re-Greening Initiatives (ARI), the Web Foundation, and VU Amsterdam, is helping to create web-based information exchanges between farmers. Meanwhile, the organization SahelEco has initiated two projects, Trees Outside the Forest and the Re-Greening the Sahel Initiative, to encourage policymakers, farmers' organizations, and government leaders throughout the region to provide the support and legislation needed to put the responsibility of managing trees on agricultural land into the hands of farmers.

To read more about agroforestry and other ways that agriculture can restore degraded land, see: An Evergreen Revolution? Using Trees to Nourish the Planet, It's About More Than Trees at the World Agroforestry Centre, Trees as Crops in Africa, and Mitigating Climate Change Through Food and Land Use.

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How Feminism Can Also Save The Planet

by: Natasha Chart

Wed Oct 21, 2009 at 15:00

It's true, Rush Limbaugh is a racist idiot and vicious propagandist. One of his recent exercises in inhumanity included telling New York Times reporter Andrew Revkin that he should "just go kill [himself]", as noted at Media Matters, after Revkin said that "probably the single most concrete and substantive thing an American, young American, could do to lower our carbon footprint is not turning off the light or driving a Prius, it's having fewer kids, having fewer children."

There is a wealth of material indicating that wingnut heads spontaneously explode when someone suggests that white Americans shouldn't have as many babies as possible in service to the noble goal of crowding out the lazy brown hordes coming to take our jobs. It's creepy, but not breaking news. When Revkin suggested, as a thought experiment, directing carbon credits towards discouraging people in America (and elsewhere, but we'll get to that) having children, Limbaugh's cranial pressure differential reached critical levels.

In the ensuing October 20th rant, the same one where he suggested Revkin off himself, we get to the meat of Limbaugh's damage:

We don't even have to talk about getting married.  We don't even have to talk about being a couple.  I mean men have no say now, really, in whether a child is born or not, legally I mean.  So would a man have any way of benefiting from the carbon credit?

If men don't have control over something, and especially if they can't benefit from it, Limbaugh is opposed. If you needed an object lesson today on why feminism remains relevant, well, there you are.

However, the fact-on-the-ground that many men do insist on control and the greater share of direct benefits from everything within their purview, gets at the underlying problem with Revkin's thought experiment. Just because Rush Limbaugh doesn't like you, it doesn't make you right in all particulars.

Revkin closed his original blog post describing condoms as the ultimate green technology this way:

If anything, the population-climate question is more pressing in the United States than in developing countries, given the high per-capita carbon dioxide emissions here and the rate of population growth. If giving women a way to limit family size is such a cheap win for emissions, why isn't it in the mix?

Well, here's why. Because if you were really serious about reducing the birth rate, you'd be campaigning first and foremost for women's rights. If you aren't campaigning first and foremost for women's rights, then your push for greater contraception access will never get you where you think you want to go. Also, it can come off badly.

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Population Density and the Obama-McCain Race: A Follow-Up

by: tremayne

Fri Oct 17, 2008 at 22:49

A few days ago I notice a pattern and did a little research to confirm it. It turns out if you know a state's population density, how many people are in it per square mile, you can make a good guess as to whether that state will  give its electors to Obama or McCain. In fact, at the time I wrote that, Obama led in the top 17 most dense states or districts and McCain led in 9 of the 11 least dense states (and the other 2 were close). The candidates split the middle 23 states.

The findings spurred a lot of discussion and many commenters wondered if the relationship would be stronger at finer granularity because some states (like Nevada) may not be very dense but it's only because huge parts of them are entirely empty while most people live within the cities. Matthew Yglesias linked to the piece and suggested looking at the county level.

Dave Schor took him up on it and ran the analysis. It turns out there is a correlation at the county level as well. But a related finding was more interesting. A county's relative density compared to the state as a whole matters more than it's absolute density. In other words, the most dense county in a non-dense state may vote for Obama at a higher rate than the second or third most dense county in a very dense state. More details here.

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Changes in Presidential Vote: 1988 vs. 2004

by: dreaminonempty

Wed Nov 21, 2007 at 12:02

The changes in voting behavior in recent years have a distinct geographic flavor.  In 1988, George H. W. Bush won with 53% of the vote; 16 years later, his son got 51% nationwide, pretty close to the same.  We should be able to figure out something from the comparison, as both Democrats in the race were 'Massachusetts liberals' and both Republicans were Bushes, although the son has a very different persona than the father.  If George H. W. Bush had run against Dukakis again in 2004, that would give us the most information about changes in voting behavior, but let's take a look at what we do have:

Free Image Hosting at www.ImageShack.usFree Image Hosting at www.ImageShack.us
Click to enlarge.

Below, more on trends in voting and population growth in recent years.

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