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Every March 5th, World Energy Efficiency Day is celebrated, a date that serves to highlight the current state of global energy issues, while allowing us to reflect on the use of energy and urging us to act accordingly.

Artificial light brings us many benefits, such as the feeling of safety in the streets, but the disadvantages it entails are greater, both in quantity and in significance.

We are talking about damage to ecosystems. Turtles that become disoriented by artificial light end up on the sand or road, getting run over or devoured by predators, instead of reaching the sea. Nocturnal butterflies (moths) that are distracted by this same light end their life cycle prematurely, failing to complete all stages, such as reproduction, thus reducing their population. This leads to a decrease in crop production, i.e., fewer fruits and seeds (which translates into economic losses, if ecological concerns are not enough).

The energy efficiency certificate is an official document that is mandatory in Spain in order to sell or rent a home or commercial premises. But it is not just an administrative requirement: the energy certificate has become a key tool for improving the energy efficiency of a property, reducing consumption and increasing its market value.

It is a commission from the Polytechnic University of Catalonia to study how to improve the generation of renewable energies

The regulation of light pollution and energy efficiency in outdoor lighting are key elements in reducing environmental impact and protecting the night-time environment.

Earth Hour is an annual event created by the environmental organization WWF, celebrated worldwide on the last Saturday of March to raise awareness about climate change and promote sustainable actions. This year, on the upcoming Saturday, March 25, for one hour (from 20:30 to 21:30), lights in homes, businesses, and iconic monuments around the world will be turned off to show their commitment to the fight against climate change.

The movement that Grup Carles joins for Earth Hour consists of turning off the lights for one hour on Saturday, March 26, from 20:30 to 21:30. This gesture is an excellent opportunity to reflect on what each of us can do from home to contribute to the fight against climate change. It's an occasion to see how these small efforts, added to those of millions of people of different ages and cultures in more than 10 countries, can make a big difference and can turn an insignificant impact into significant energy savings.

In this article, we will explore in detail the different modules of the voluntary CSRD and how SMEs can use them to strengthen their commitment to sustainability.