Card – Forbes – 4/14/19
IRENA: 140 Gigawatts of Solar and Wind Capacity Installed Globally in 2018
Card – GreenTech Media – 4/2/19
Renewable Energy Needs To Scale Up By A Factor Of Six, Reports IRENA
Card – CleanTechnica – 4/18/18
Card – Forbes – 4/14/19
Card – GreenTech Media – 4/2/19
Card – CleanTechnica – 4/18/18