We spend our days developing applications with the aim of revolutionizing the world, solving problems, or creating new uses. But are we aware of the impact this can have on our environment? Unfortunately, we are convinced that we are not. By blaming other sectors of our economy as responsible for the climate change, we never question the impact of our industry, which grows significantly year after year. After an overview of the impact of the digital on the environment, we will share some best practices to apply as mobile developers.