What is energy efficiency?

As with other productive resources, efficiency in the field of energy refers to the relationship between results and resources, energy in this case, used to achieve them. In macroeconomic terms, the energy efficiency is analyzed through the concept of energy intensity, calculated as the ratio between the energy consumption of an economy and its gross […]

What is green energy?

Increasingly frequent use of the term green electricity, which immediately we associate with renewable energy, with more consumers aware of sustainability and environmental care. Throughout the European Community, and therefore also in Spain, there is a mechanism called Guarantees of Origin System and Labelling of Electricity for which an official regulatory body in Spain the […]

Cop21: Historic agreement in Paris to curb climate change

They have two eternal decades been necessary for the world to decide to unite against climate change: from the first climate summit in 1995, held in Berlin (COP1) to the Paris meeting (cop21), which has just ended with a historic pact. Although breathed optimism, uncertainty has marked the nearly two weeks of intense negotiations to […]

Renewable energy, a key element in the fight against climate change

After the Paris Summit (cop21), almost all of the participating countries have turned their eyes to renewable energy as a key player in the new global landscape of energy sustainability. We know that more than two thirds of global emissions of greenhouse gases (GHG) are due to the energy sector. The International Renewable Energy Agency […]