Amplify Etho Climate Leadership U.S. ETF (ETHO US) – Portfolio Construction MethodologyThe underlying Etho Climate Leadership Index — US delivers a rules-based portfolio of U.S.-listed companies with a minimum market cap of USD 100 million whose Scope 1–3 “carbon impact” (total GHG emissions from operations, fuel, supply chain and activities divided by market cap) is at least 50% lower than their industry average. The universe requires primary U.S. listing and either U.S. headquarters or ≥30% of revenue fro ...