📝 Executive Summary
Investors evaluating renewable energy exposure face a choice between the broad-based iShares Global Clean Energy ETF (ICLN) and the solar-focused Invesco Solar ETF (TAN). While TAN offers concentrated exposure to solar dynamics, ICLN provides superior diversification, a lower expense ratio of 0.38%, and a dividend yield, making it a more efficient vehicle for long-term capital preservation in the volatile green energy sector.