Luntiang Pilipinas launched its 10@10: The Ten Million Trees Campaign, a viral tree planting campaign with the intention of planting 10 million trees by the year 2011. This campaign aims to contribute to the United Nations Environmental Program, which aims to reach the seven billion-tree mark by 2009. One of her major accomplishments as an environmentalist is the passage of the Climate Change Act in October 2009. She filed this bill two years ago, through inspiration from the Albay Declaration, the outcome document of the First National Conference on Climate Change Adaptation, as it called for “the passage of a policy prioritizing climate change adaptation in the national agenda”. Legarda was chosen by Gloria Macapagal Arroyo as a member of the Philippine delegation during the 2009 Copenhagen Summit.