Here's an analysis of the frequency patterns for 'ADJ energy' phrases in the NOW corpus from 2010-2025: 2010-2014: Traditional Energy Focus During this period, terms like "nuclear energy," "atomic energy," and "alternative energy" show higher frequencies compared to later years. "National energy" also peaks during this time, suggesting a focus on conventional energy sources and national energy policies. This period shows relatively stable usage of traditional energy terminology. 2015-2019: Transition Period This period shows a gradual decline in traditional energy terms while seeing modest increases in terms like "clean energy" and "sustainable energy." "Australian energy" and "geothermal energy" show some increased presence, indicating growing diversification in energy discussions. "Ukrainian energy" begins to appear in the discourse, though minimally. 2020-2022: Crisis and Transformation A dramatic shift occurs, with significant spikes in several terms. "Russian energy" and "soaring energy" show remarkable increases in 2022, likely reflecting global energy market disruptions. "Global energy," "high energy," and "higher energy" also peak during this period. "Clean energy" doubles in frequency compared to previous years, indicating growing emphasis on environmental considerations. 2023-2025: Sustainable Focus The most recent period shows strong dominance of environmental terms. "Renewable energy" reaches its highest levels, while "clean energy" and "green energy" maintain elevated frequencies compared to earlier years. "Fresh energy" and "infectious energy" show interesting increases, suggesting more positive framing of energy discussions. "Sustainable energy" and "nuclear energy" show modest rebounds, indicating a balanced approach to energy solutions. The overall trend shows a clear shift from traditional energy terminology toward sustainability-focused language, with notable spikes during periods of global energy market disruption.