4 December 2023

The continuous increase in natural disasters is directly linked to the phenomenon of climate change. The impacts are now evident, with global warming, the rise in extreme weather events, the frequency of wildfires, floods, and droughts increasingly engaging scientists and governments worldwide. The wasteful and irrational use of natural resources, along with anthropogenic activities, is closely associated with the climate crisis and the emission of greenhouse gases. Hence, the urgent need arises to reduce air pollution emissions and, consequently, the carbon footprint of cities and urban centers. The implementation and integration of various Renewable Energy Technologies (RETs) are particularly crucial. The gradual reduction of atmospheric pollution and, by extension, the limitation of the climate change phenomenon and crisis that currently plague the entire planet can be achieved through the adoption of these technologies. The importance of transitioning to renewable energy sources is underscored by the need to mitigate the adverse effects of climate change, such as rising global temperatures and the increased occurrence of extreme weather events. Scientists and governments worldwide are increasingly recognizing the urgency of transitioning to cleaner and more sustainable energy alternatives. Moreover, the interconnection between climate change and natural disasters, such as wildfires, floods, and droughts, is becoming more pronounced. The excessive exploitation of natural resources and the emission of greenhouse gases contribute to the intensification of these disasters, posing significant challenges to both ecosystems and human societies. It is now imperative to shift towards more sustainable practices and energy sources. The integration of renewable energy sources stands out as a key solution to reduce greenhouse gas emissions and combat the adverse impacts of climate change and natural disasters. By embracing renewable energy technologies, we can pave the way for a more resilient and sustainable future for our planet.

In a time where the phenomena of climate change and energy crisis increasingly engage the scientific community, there is talk of the integration and application of green energy technologies. The focus is primarily on technologies related to the production and integration of green hydrogen. Hydrogen can be utilized as a fuel, an energy carrier, and a means of energy storage. Green hydrogen is produced through the electrolytic splitting of water, with the required electrical energy sourced from purely Renewable Energy Sources. Its production method indicates zero emissions, especially concerning CO2 levels. Such a system can ensure energy transition and autonomy, with applications ranging from industrial sectors to building facilities at the urban and rural levels. The goals set by the European Union regarding hydrogen by 2030 are ambitious, and Greece aims to play a leading role in this new phase, as it constitutes a key pillar in the transition to green energy. The objective is to adapt to the new market dynamics and develop the technical and economic framework related to green hydrogen. This requires advanced knowledge, the development of new infrastructures, and improvement in factors related to hydrogen storage, transportation, and distribution.