The Evolution of Renewable Energy Consumption in the USA from 1949-2008

The diagram illustrates the consumption of renewable energy in the USA from 1949 to 2008. It provides an overview of the total consumption of renewable energy and the major sources during this period. From 1949 to 2008, the consumption of renewable energy in the USA experienced significant changes. In the early years, the total consumption was relatively low, with only a small percentage of the country's energy coming from renewable sources. However, as the years progressed, there was a gradual increase in the consumption of renewable energy. In 1949, the total consumption of renewable energy was around 2 quadrillion British thermal units (BTUs). The major sources of renewable energy during this time were wood and hydroelectric power, accounting for the majority of the consumption. Wood, in particular, was a widely used source of energy for heating and cooking purposes. Over the next few decades, there was a steady increase in the consumption of renewable energy. By the 1970s, the total consumption had reached around 4 quadrillion BTUs. This increase can be attributed to the growing awareness of the environmental impact of fossil fuels and the need for alternative sources of energy. During the 1980s and 1990s, there was a significant shift in the major sources of renewable energy. While wood and hydroelectric power remained important, other sources such as biomass, geothermal, and solar energy started to gain prominence. This diversification of renewable energy sources was driven by advancements in technology and government initiatives to promote clean energy. By 2008, the total consumption of renewable energy in the USA had reached around 7 quadrillion BTUs. While wood and hydroelectric power still contributed a significant portion, other sources such as wind and solar energy had also become major contributors. This shift towards more sustainable and environmentally friendly sources of energy reflected the growing concerns about climate change and the need to reduce greenhouse gas emissions. In conclusion, the consumption of renewable energy in the USA has evolved significantly from 1949 to 2008. The country has witnessed a gradual increase in the total consumption, as well as a diversification of the major sources. This shift towards renewable energy sources reflects the growing awareness of the need for sustainable and clean energy alternatives.