Transport infrastructure connects people with their jobs, education, health care, leisure, annual leaves and, most importantly, with each other. However, it also produces emissions that widely contribute to air pollution, noise pollution and the overall climate...

The climate crisis is one of the biggest issues that the whole world is constantly fighting against. In 2020, the European Green Deal, a set of policy initiatives established by the European Commission got approved with the main goal of making the EU climate neutral...

The story of the first human migrations dates way, way back: it is believed that the very first one happened approximately 2 million years ago with the early expansions out of Africa by Homo Erectus. And migrations haven’t stopped since then. Fast-forwarding to 21st...

Nowadays, low mortality levels are recorded all across Europe. In other words, there is high life expectancy at birth, which is estimated at 79,1 (2020) and when compared with 1950's records, the life expectancy has increased for almost 20%. As a result, the Old...

Population ageing is one of the most significant demographic and social trends of the 21st century. It is affecting almost all the countries in the world. The age structure of a population has many important impacts on the overall society. It is crucial for the...

Currently, there are a little less than 8 billion people on Earth. To be more precise, in 2020 there were 7,794,798,739 people in the whole world with an urban population of 56,2% or 4,378,993,944 people, according to Worldometer. It is estimated that by 2025, the...

Climate change is the most constant and the most discussed issue over the past few decades. Many countries take this problem seriously and have already started replacing their energy sources with newer, alternative ones. Through this process of exploring and...