CleanTechnica: The International Renewable Energy Agency (IRENA) reinforced the call to action from the Intergovernmental Panel on Climate Change (IPCC) to limit global temperature increase and avert catastrophic climate change in a statement issued [this week]. The transition to a sustainable global energy mix must be accelerated, the Agency said, in order to reduce global carbon dioxide (CO2) emissions by 40-70 percent compared with 2010 by 2050. Renewable energy, IRENA highlights, is the economically viable...