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Announcing GFW’s 2019 Tech Fellows and Small-Grant Recipients

Global Forest Watch (GFW) is excited to announce the 2019 Tech Fellows and Small Grants Fund recipients. Both these programs provide funding to individuals and organizations using GFW tools to monitor and protect forests. The Tech Fellowship gives individuals the technical skills to implement a forest monitoring project and share their knowledge with others in […]

Girl Reading News Roundup

UPDATE: GLAD deforestation alerts are back

We are happy to report that the weekly GLAD deforestation alerts from the University of Maryland are back online for the Amazon, Central Africa and insular southeast Asia. They’re available for the following countries: Amazon Central Africa Southeast Asia Brazil Burundi Brunei Peru Cameroon Indonesia Central African Republic Malaysia Democratic Republic of the Congo Papua […]


Terra-i expansion fills important gap in near real-time forest monitoring

By Mikaela Weisse It is crucial to learn about tree cover loss as early as possible if we wish to stop it. However, when we took down the monthly FORMA alert system in April, we were left with only annually updated information for all but a few countries. Today, Global Forest Watch is closing the […]

Amazon – Brazil, 2011.©Neil Palmer/CIAT

Map of the Week: GLAD Alerts show recent loss in Brazil’s Jamanxim National Park

By Sofia Soto Reyes Parrot in the Amazon, Brazil. Source: Neil Palmer/CIAT for Center for International Forestry Research (CIFOR/Flickr). License available here. The Amazon Rainforest is home to one-tenth of all plant and animal species on the planet and produces one-fifth of all the oxygen we breathe. Monitoring and protecting such a rich natural resource […]


A Closer Look at the Brazil GLAD Alerts

By Mikaela Weisse Today, Global Forest Watch released a new forest monitoring system for Brazil called the GLAD alerts (named after the Global Land Analysis and Discovery lab at the University of Maryland). Brazil is certainly not new to the idea of monitoring forests via satellite, which may leave some users wondering about what this […]


New Satellite System Analyzes Brazil’s Forests Weekly. Will It Help Curb Deforestation?

By James Anderson and Mikaela Weisse   As Rio’s Olympic stadiums empty and athletes head home, Brazil’s big moment in the global spotlight seems to be drawing to a close. But if we take the opening ceremony’s commentary on forest restoration and climate change to heart, Brazil is more relevant than ever. Brazil’s forests, from […]

GLAD Alerts

GLAD Alerts Under Construction

By Mikaela Weisse You may have noticed that there haven’t been any new visualizations or subscription emails for GFW’s GLAD tree cover loss alerts in the last few weeks – we’ve encountered a bug that’s preventing us from registering new alerts in our system. Basically, it’s a big data problem: the alerts are so numerous […]


Coming Soon: FORMA 250 to Improve Detail, Frequency and Accuracy

By Brookie Guzder-Williams, Mikaela Weisse and Rachael Petersen Global Forest Watch seeks to provide the timeliest and most accurate data on forest change. With this in mind, one of the first data sets we published was FORMA (FORest Monitoring for Action), a monthly, 500-meter resolution alert product that flags areas of forest in the humid […]


We Know How Forests Changed this Month, Thanks to New Satellite Alerts

  Sunrise over Cordillera National Park, Peru. Source: Toni Fish (Flickr). It’s a warm August day in the pristine forest of Cordillera Azul National Park, located in Central Peru’s Amazon Rainforest. Cordillera Azul, home to more than 1,800 species of plants and animals, is one of the most biologically diverse areas in the world—and one […]


Introducing “My GFW” – A Customized Forest Monitoring Experience

By Karla Renschler An environmental protection officer in Brazil’s Amazonia region is responsible for enforcing forest conservation laws. Her team uses the Deforestation Alert System (Sistema de Alerta de Desmatamento or SAD) to investigate recent forest loss. She checks the Global Forest Watch website regularly for updates, but her job would be much easier if […]


Monitoring Forest Change in Latin America with Terra-i

By Hayley Solak, Ruth Nogueron and Sarah Mann (Shampuyacu, Peru) Photo by Bruno Locatelli/CIFOR. Alert systems that quickly connect observers to the location of tree cover loss can help forest managers respond to threats with precision and speed. These alerts allow large-scale monitoring of tree cover loss using satellite datasets and sophisticated computer algorithms to […]