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10 articles tagged with Maps

Smartphones and Satellite Imagery: Bringing Environmental Enforcement to the Peruvian Amazon

This article is part of a series of blog posts produced with the Rainforest Foundation US. The series covers a training initiative for more than 36 indigenous communities in the Peruvian Amazon to use Global Forest Watch’s satellite and monitoring technologies for combating deforestation. Read the previous post here. For the community monitors of Buen […]

Smartphones and Satellite Imagery: The Indigenous Monitors of Vista Hermosa Take Action

This article is part of a series of blog posts produced with the Rainforest Foundation US. The series covers a training initiative for more than 36 indigenous communities in the Peruvian Amazon to use Global Forest Watch’s satellite and monitoring technologies for combating deforestation. Check back for updates about these communities in action. Smart phone […]

Scientists Use Google Earth and Crowdsourcing to Map Uncharted Forests

By Katie Fletcher, Tesfay Woldemariam and Fred Stolle Local knowledge helped researchers ground-truth desert forest tracking. (WRI) No single person could ever hope to count the world’s trees. But a crowd of them just counted the world’s drylands forests—and, in the process, charted forests never before mapped, cumulatively adding up to an area equivalent in size to the Amazon rainforest. […]

Forest Loss Pushes Far Beyond Plantation Boundaries in South America, Africa

By Rachael Petersen, Liz Goldman, Mikaela Weisse and Dmitry Aksenov Which of the world’s forests are natural, and which have been planted by humans? Orangutans at Camp Leakey, Central Kalimantan, Indonesia. Photo by James Anderson for WRI (Flickr). It seems like a simple question, but researchers have been struggling to answer it for years. Satellites can’t […]

How accurate is accurate enough? Examining the GLAD global tree cover change data (Part 1)

Part 2 of this blog series available here. In 2013, Dr. Matt Hansen and collaborators at the University of Maryland’s Global Land Analysis and Discovery group (GLAD), Google, U.S. Geological Survey (USGS) and the National Aeronautics and Space Administration (NASA) released the first global scale method for annually monitoring changes in tree cover using 30-meter […]

How accurate is accurate enough? Examining the GLAD global tree cover change data (Part 2)

Part 1 of this blog series available here. In Part 1 of the GLAD tree cover data accuracy blog series, we explained two different accuracy assessments of the global tree cover loss and gain data produced by Dr. Matt Hansen and collaborators at the University f Maryland’s Global Land Analysis and Discovery group (GLAD), Google, the U.S. […]

GFW User Profile: Lisa Kelley

For this installment of GFW User Profiles, we spoke with Lisa Kelley, Ph.D. Candidate at UC Berkeley What organization do you work with? I am a Ph.D. candidate at the University of California, Berkeley. I research how land cover, land use and livelihoods are changing in relation to one another. I have been looking for instance at […]

Map of the Week: Typhoon Haiyan

By Octavia Payne Typhoon Haiyan, known in the Philippines as Typhoon Yolanda, struck the Leyte islands in early November 2013. Recorded as the Philippines’ deadliest typhoon in modern history, Haiyan left 6,300 fatalities in its wake and another 11 million affected. Path of Typhoon Haiyan. Red dots indicate Category 5 classification (winds ≥157 mph, ≥252 km/h) as the […]

Indonesia Fires Flare: A Foreboding Start to Dry Season in Riau

By Nigel Sizer, Tania Puspita Firdausy, Susan Minnemeyer, Fred Stolle, Aaron Minnick, James Anderson and Hidayah Hamzah Read this post in Bahasa Indonesia. Residents of Indonesia and Singapore have been bracing themselves in recent weeks as WRI and others have warned that this year’s dry season would likely herald a severe spike in fires on the island of Sumatra and accompanying toxic haze across the region. As […]