Imagine trying to spot an object just 30 centimeters wide from hundreds of kilometers above Earth. Years ago, I remember when “satellite view” meant blurry green blobs on a screen. Now, we can see individual trees, cars and even shadows cast by buildings. We finally have the power to witness our planet as it truly is: scarred, altering and astonishingly interconnected. It’s a turning point in how we see, understand and ultimately protect our planet.

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Kateryna Sergieieva has a Ph.D. in information technologies and 15 years of experience in remote sensing. She is a scientist responsible for developing technologies for satellite monitoring and surface feature change detection. Kateryna is an author of...