European researchers said Thursday that the the start of June saw global surface air temperatures rise 1.5 degrees Celsius above pre-industrial levels for the first time. That is the limit governments said they would try to limit global warming to at a 2015 summit in Paris.
We do need action on all levels of society, and we need to be treating this as a crisis.
On a local level (in the UK) there are a lot more community and Council groups being setup to try and find solutions I would absolutely recommend attending those.
Other than that, ensure your pension is invested in green and eco investments and try to fly less (maybe even drive less).