Teaching computer Science

Can computer science be taught without even a PC? Surely it is difficult, but not impossible. The proof comes from Ghana, where a 33 year old teacher teaches the use of PCs to his students. His story has become known throughout the world after the publication on Facebook of images depicting the prof in action.... Weiterlesen →

The Water War

Water covers 71 percent of the Earth's surface but for the most part it is composed of salt water and even the sweet one is not always accessible: only 0.3 is found in rivers and lakes and can be used by humans . The danger of tensions and conflicts linked to the access and control... Weiterlesen →

Climate change affects fertility

An international group of researchers has discovered that, through its economic effects, climate change could have a substantial impact on fertility. In fact, it seems that people decide how much time and money to devote to the growth of children and whether to use these resources to have more children or to invest more on... Weiterlesen →

Green finance is the secret weapon?

In the early 1900s, the English mathematician G. H. Hardy made a very important discovery: mathematics is beautiful. He writes that while he was going by taxi to find his young friend and co-worker Srinivasa Ramanujan, suffering from tuberculosis and dying, he noticed (as always) the car's number. It was 1729. An uninteresting number. I... Weiterlesen →

Airplanes and environmental impact

2700 kg of kerosene, 722 700 kg of cold air, 850 000 kg of air, 130 000 kg of hot air, 8500 kg of carbon dioxide (CO2), of which, as harmful substances: 30 kg of nitrogen oxides, 2.5 kg of sulfur dioxide, 2 kg of carbon monoxide, 0.4 kg of hydrocarbons, 0.1 kg of fine... Weiterlesen →

A planet to live on

The challenges of sustainability Theories and empirical data uniquely demonstrate that there is a strong and decisive "human footprint" on climate change. That man is the cause, if not the only, by far the main cause of the increase in temperature and the increase of greenhouse gases in the atmosphere. This demonstration, according to the... Weiterlesen →

Karakorum Effect

uncertain future From the temperatures that do not increase to the ice that does not melt, from the innocence of human actions to the excessive costs of reducing emissions. The list, as we shall see, is long. Some criticisms have been detailed, others generic. Some have disappeared soon, others have lasted for years, perhaps after... Weiterlesen →

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