🌎 Also: SkyTruth in action - see where our team was this month! ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­    ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­  
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SkyTruth in Focus: April 2026

 simple map of Central Appalachia, outlined in black, shows ridge cuts in purple and valley fills in green. Two callout boxes, at top left and bottom right, show area detail. A key, at bottom center, is titled “Significant Elevation Differences,” with a purple mark next to “Elevation Loss (Cut)” and a green mark next to “Elevation Gain (Fill).”

Mountaintop Mining Elevation Data Available for Open Access Through API

Mountaintop mining alters landscapes by using explosives to blow apart ridge tops to expose the coal seams beneath, producing tons of rock that is of no value to coal companies. The areas where waste rock is blasted away are known as ridge cuts, and those where the waste rock is dumped are called valley fills. Our team at SkyTruth has mapped these areas in Central Appalachia using historic and modern elevation data. You can now explore the data yourself and access it for free through our API.

Meet Olivia Zhang, one of our geospatial interns behind this work!

An animated digital self-portrait overlaid with a series of colored lines depicting sea level rise and a time-lapse of sea level rise over a satellite image.

As part of her internship at SkyTruth, Olivia performs elevation analysis to reveal the true impacts of mountaintop mining, works on our 30×30 Progress Tracker, managing the automatic monthly data sync for its conservation builder function, and has verified over 300 oil slicks for Cerulean, our ocean oil pollution monitoring tool. Meet Olivia.

What's New

A screenshot showing an infrastructure profile being viewed in Cerulean

Infrastructure source profiles available in Cerulean

Following the successful launch of source profiles for vessels, we’ve extended the feature to cover infrastructure to raise accountability for more chronic sources of oil slicks and see the full story of who is likely behind pollution.

 

In Cerulean, click on the ID card icon next to any potential infrastructure source to view a profile summarizing what we know about the platform. It includes detailed location information, structure name, and ownership data (where available), a count of how many slicks were produced by the structure, and more! Explore for yourself in Cerulean.

A screenshot showing a custom layer being added in the 30x30 Progress Tracker

Custom layers in the 30×30 Progress Tracker

Are you looking to map a proposed MPA or add local layers, like endangered species corridors, to help visualize how new protected areas may strengthen conservation efforts? Now you can do so in the 30×30 Progress Tracker's Conservation Builder feature!

Users can upload or draw up to five custom layers, colors can be selected for the layers in the legend, and custom layers will be saved for future use within the same browser. Find full details, requirements, and guidance on filetypes in the panel on the Conservation Builder tab–try it out in the platform now!

SkyTruth in Action

A collage of 3 images and an animated GIF showing SkyTruth staff members at different events, with a white map pin and text overlaid on each showing the location. From top left, clockwise, New York City, San Francisco, Colombia, and Chicago.

April was a busy month for our team, who:

  • Talked about data-informed action at Climate Solutions Summit NYC

  • Discussed harnessing data for environmental reporting at the Society for Environmental Journalists’ annual conference in Chicago

  • Took part in San Francisco Climate Week panels on the future of green jobs and the Ocean Intelligence Forum on how real-time ocean data is changing what’s possible for marine protection, enforcement, and accountability

  • Spoke on improving policies around chronic oil pollution and offshore methane monitoring at the Fossil Fuel Transition Conference in Santa Marta, Colombia

Up next: the Our Ocean Conference in Mombasa, Kenya, from June 16 to 18. Let us know if you’re attending and would like to connect!

 

Photo credit, New York image: Stefania Curto for The New York Climate Exchange

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