It really is now or never but toxic debate is not going to help us win climate battle

Small changes by individuals add up to enormous overall changes but we must act now

Hundreds of young people gathered in Merrion Square in Dublin city centre recently as part of a global climate strike.

When the world's leading scientists are categorically stating the world is at a tipping point in tackling the climate crisis, Irish forums, social media, and comments sections are apoplectic at the thought of driving slower or spending less time in the shower.

The challenge ahead to decarbonise society to reduce the inevitable destruction caused by human-induced global warming has been laid bare. It really is now or never, some of the world's brightest minds have told us.