Examine the bar chart above showing the renewable energy capacity of selected countries in 2020 and answer each of the following questions - Leaving Cert Geography - Question 8A - 2022

The country with the largest renewable energy capacity in 2020 was China, with 895 gigawatts.

To calculate the total renewable energy capacity for China, the USA, and Brazil combined, we add their capacities:

$895 + 292 + 150 = 1377 ext{ gigawatts}$.

1. Solar energy
2. Wind energy

Countries are investing more in renewable energy for several reasons:

1. Environmental Concerns: The need to combat climate change and reduce greenhouse gas emissions has made renewable energy sources like solar and wind more appealing as they produce little to no emissions compared to fossil fuels.

2. Energy Security: Investing in renewable energy can reduce dependency on imported fuels, thus enhancing national energy security and ensuring a more stable energy supply.