Between the lights going off in Chatham Islands, and being switched back on in Apia, Samoa 24 hours later, the world witnessed lights switched off on heritage sites, ancient and modern marvels, local cafés, schools and universities, factories, royal palaces and backyard dinner parties.
A record 126 countries and territories, over 4,000 cities, towns and municipalities, and hundreds of millions of people across the globe took part in delivering a message stating the need for effective action to counter climate change.
