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Obama's very messy insurance fix
The plans to "fix" Obamacare
Can Obama legalize immigrants himself?
Live from the Yellen confirmation hearing
Google wins book scanning case
103 ways to reduce the deficit
These maps show where the Earth’s forests are vanishing
By Brad Plumer, Published: November 14 at 3:38 pmE-mail the writer
Want to know where we're destroying the world's forests? Here's the very first high-resolution map showing the change in the world's tree cover between 2000 and 2012:
Change in global forest cover between 2000 and 2012. Green shows forest cover that hasn't changed at all. Black shows non-forest. Red shows forest loss. Blue shows forest gain. Magenta shows areas that are regrowing.
That comes from a new study published Thursday in the journal Science — the first effort to quantify in detail how forests are changing and disappearing over the past decade. The research team, led by the University of Maryland, used Landsat satellite images and Google's Earth Engine to assemble detailed new maps.
A few notable points:
-- The Earth lost 2.3 million square kilometers of forest between 2000 and 2012 and added 0.8 square kilometers. That's a net loss of an area roughly as large as Western Europe.
-- Deforestation is still increasing in the tropical regions by about 2,101 square kilometers per year—the one clear global trend. Here's a stunning animation of what that looks like in the rainforests on the Indonesian island of Sumatra, which has lost half of its natural forest cover in the past three decades:
-- There's some good news: Deforestation is way, way down in Brazil over the past decade, thanks to stricter enforcement of land-use laws. The nation used to be the largest single source of deforestation. But Brazil has essentially cut its rate of forest loss in half, from 40,000 square kilometers in 2000 down to about 20,000 square kilometers in 2011.
-- But there's a flip side: Brazil's progress has been more than offset by increasing forest loss in Malaysia, Paraguay, Bolivia, Zambia, Angola and especially Indonesia, which saw the most deforestation of any country since 2000:
-- The maps reveal that policies in some countries to halt deforestation have been wholly ineffective. After the Indonesian government imposed a moratorium on new logging licenses in 2011, the rate of deforestation actually went up over the next two years.
-- The Western United States and Canada have been losing forest cover on net over time. This is "largely due to fire, logging, and disease (for example, large-scale tree mortality due to mountain pine bark beetle infestation, most evident in British Colombia, Canada)."
-- Fires are a huge driver of forest loss in Russia. Here's an animation showing what that looks like in Siberia:
"Changes in forest cover affect the delivery of important ecosystem services, including biodiversity richness, climate regulation, carbon storage, and water supplies," the researchers note. But, they add, until now, there hasn't been great data on how that forest cover is actually changing.
You can inspect the maps in closer detail at this site.
Brad Plumer covers energy and environmental issues, which ends up including just about everything from climate change to agriculture to urban policy and transportation. Follow him on Twitter at @bradplumer. Email him here.
This is how Obama plans to un-cancel insurance policies
By Sarah Kliff November 14, 2013
The backlash to the Obamacare fix has already started
By Sarah Kliff November 14, 2013
The Post Most:Business