Every form of life depends on water to survive. When we use water in household and industrial activities, it gets contaminated with various chemical and biological substances that render it unsuitable for direct discharge into the environment.

Mobile devices such as smartphones or tablets have long become an essential part of our everyday lives. We can no longer manage without these gadgets as they help us get things done faster, easier, and more effectively. Smartphones have introduced a world of exciting possibilities that stretch far beyond merely making phone calls, exchanging texts, playing games, or surfing the Internet.

Formerly, Earth Observation systems have been operated mainly by governments and public organizations. Nowadays, thanks to the evolution of information and communication technologies, modern solutions are more accessible to private entities.

For over 100 years, photos have been a great way to capture beautiful moments. Today, in the era of digital photography, traditional, printed photos are not as common as they used to be, which is why they are becoming something special.