English: Legarda is known for the landmark laws she authored for climate action and environmental protection, including the Ecological Solid Waste Management Act (RA 9003), Philippine Disaster Risk Reduction and Management Act of 2010 (RA 10121), and Climate Change Act of 2009 (RA 9729), which continue to guide the country's response to climate and ecological challenges.
Filipino: Kilala si Legarda sa mga makasaysayang batas na kanyang isinulong para sa climate action at pangangalaga sa kalikasan tulad ng Ecological Solid Waste Management Act (RA 9003), Philippine Disaster Risk Reduction and Management Act of 2010 (RA 10121), at Climate Change Act of 2009 (RA 9729), na patuloy na nagsisilbing gabay ng bansa sa pagtugon sa mga hamon ng klima at kapaligiran.