The pie charts provide a comparison of the energy capacity in gigawatts (GW) for the year 2015 and the projected predictions for the year 2040. The main features and relevant comparisons are as follows:
Overall, in 2015, fossil fuels accounted for the largest proportion of energy capacity, making up 60% of the total capacity. Nuclear energy followed, contributing to 22% of the capacity. Renewable sources held a significantly smaller share, with hydroelectric power at 10%, wind power at 5%, and solar power at 3%.
However, in the projected predictions for 2040, a significant shift in the energy landscape is evident. The proportion of fossil fuels is expected to decrease to 45%, indicating a global transition towards cleaner energy alternatives. Notably, renewable energy sources show a remarkable increase in their share, with hydroelectric power rising to 18%, wind power to 15%, and solar power to 10%. This signifies a positive trend towards sustainable energy solutions.
Despite this shift, nuclear energy is predicted to remain relatively stable, with a minor decrease of only 2%, maintaining a 20% share in 2040.
In conclusion, the pie charts demonstrate a clear transition in the global energy sector from fossil fuels towards renewable energy sources. By 2040, it is expected that renewable energy will play a more substantial role in meeting the world’s energy demands, paving the way for a greener and more sustainable future.