Renewable Energies_Which of the following steps is the more convenient to reduce CO2 emissions?

What do you think about?
According to your opinion, are there any other reasons to support this questions apart the following ones?

• the development of the use of Renewable Energies;
• the development of Carbon Capture and Storage (CSS) policies at the European and national level;
• to increase energetic efficiency for the equipments' production technologies and processes;
• to reduce energy consumption;
• to invest in the research of nuclear energy implants of new generation;
• other?

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