A key metric of the accelerating heating of the world's oceans is the seasonal decline in #seaice in #Antarctic;

the latest data points to a speedily worsening situation & as US #climate scientist Kate Marvel puts we can no longer be hopeful that a solution will present itself, we now need the optical courage to act.

That we have gone beyond hoping & require courage is likely to fill many people with despair when they look at our current political leaders & their record on the #ClimateCrisis