The skies around the world are still polluted. The transparency of the sky has been reduced in recent decades , with… Read More »The sky is polluted

Children cannot play in the streets and they all have to go out with handkerchiefs… Read More »The most polluted cities in the world

The archetypal image of pollution is usually a factory giving off dark smoke or a… Read More »The most polluting products

Human activity produces numerous residues and waste that, if not treated properly, can contaminate our… Read More »The most polluting and difficult to separate waste from water

One of the most dangerous polluting wastes produced by humans is sewage. This name includes all… Read More »What is wastewater and how is it classified?

Industrial discharges contain residues from industrial activities that, if they reach nature, would pose a… Read More »What are industrial discharges in water and its treatment

There are many disasters that occur because of nature itself, from tsunamis and earthquakes to… Read More »7 man-made natural disasters

Pollution is one of the great problems in the world today and, unfortunately, there are places in the… Read More »The black part of the world: The most polluted places on the planet

The latest data collected this year at the world summit on climate change does not… Read More »The countries that pollute the most