Strategies and Policies DCC Menu Parks Strategy Find out about the Dublin City Parks Strategy. Dublin City Tree Strategy 2016-2020 Find out about the Dublin City Tree Strategy. Biodiversity Action Plan 2021-2025. Find out about Dublin City's Biodiversity Action Plan 2021-2025. Invasive Species Action Plan 2016-2020 Find out about Dublin City Invasive Species Action Plan. Greening Strategies