The following organisations provide a fantastic range of resources and information for people taking action on climate change. You may also want to join one (or more) of these organisations and/or get on board with an existing project that they are running:
http://350.org/, which aims to build ‘a global grassroots climate movement that can hold our leaders accountable to the realities of science and the principles of justice’
http://tcktcktck.org/, the Global Call for Climate Action, ‘a diverse network of more than 450 nonprofit organizations in more than 70 countries with a shared goal — a world safe from runaway climate change’
https://citizensclimatelobby.org/, which aims to ‘create the political will for climate solutions by enabling individual breakthroughs in the exercise of personal and political power’
https://www.climaterealityproject.org/, whose ‘mission is to catalyze a global solution to the climate crisis by making urgent action a necessity across every level of society’