A/HRC/19/21 Liberia and Mexico. Finally, a growing number of Government agencies and national human rights institutions, including in Bolivia (Plurinational State of), Kenya, Kosovo (Serbia) and Nepal, have worked on developing the use of human rights indicators. 4. Economic, social and cultural rights 60. OHCHR has pursued the promotion of economic, social and cultural rights and has continued to strengthen its capacity to contribute to the protection and monitoring of these rights at the national and international levels, including through cooperation with United Nations system partners. OHCHR has developed tools and training materials, and trained its staff on strategies and skills to monitor implementation of these rights. OHCHR provided technical assistance and support to Governments, parliaments, country teams and civil society on the rights to adequate housing, adequate food, and health, and on the legal and judicial protection of economic, social and cultural rights. OHCHR supported the ratification of the Optional Protocol to the International Covenant on Economic, Social and Cultural Rights in Argentina, Bolivia (Plurinational State of), Cape Verde, Costa Rica and El Salvador. Further, in collaboration with civil society partners, OHCHR organized a consultation on women and economic, social and cultural rights, focusing on the main challenges to the equal enjoyment of these rights by women. 61. The Office developed a forced eviction assessment questionnaire and, jointly with UN-Habitat, published a report on assessing the impact of evictions. OHCHR also produced materials, including a training module on economic, social and cultural rights for judiciary schools in Western Africa, a user’s guide on indicators to monitor economic, social and cultural rights in Nepal, publications on the Optional Protocol to the International Covenant on Economic, Social and Cultural Rights and on indicators on the right to health in Mexico. 62. OHCHR produced reports on the enjoyment of economic, social and cultural rights in all countries, maternal mortality, the use of indicators for economic, social and cultural rights, and cultural diversity and human rights. 5. Human rights and the economic, food and climate crises 63. With regard to the global food crisis, OHCHR participated in the High-level Task Force on the Global Food Security Crisis and contributed to common advocacy in key international conferences and policy debates on food and nutrition security. OHCHR provided technical assistance for the development of the voluntary guidelines on the responsible governance of tenure of land, fisheries and forests in the context of national food security in order to ensure consistency of the guidelines with international human rights law. 64. On the margins of the eighteenth session of the Human Rights Council, OHCHR organized a side-event entitled “The crisis in the Horn of Africa: promoting a human rightsbased approach”, which event sought to provide a human rights analysis of the crisis and, on that basis, to promote an emergency response and medium- and long-term strategies anchored in human rights. 65. The importance of considering the human rights implications of climate changerelated effects and the need to consider human rights in the formulation of environmental policies was emphasized by OHCHR in a number of public statements, including during side events to Council sessions. 11