There are many multi-linguistic, global online resource centers that offer resources (usually free) as well as online learning experiences.
Global Campaign for Peace Education- Resources
UN Office of the High Commissioner for Human Rights - Training and Education Materials
Amnesty International - Human Rights Education
Many peace and human rights education organizations have web and social media presences that provide up-to-date information. Look for some of your favorite peace and HRE organizations online, on LinkedIn, Facebook, Twitter, and Instagram.