Some inspirational messages have been delivered by world leaders and young climate activists at COP24 in Katowice this week.

The most important climate conference since 2015 concludes tomorrow, and we will have analysis on what it all means from our editor-at-large, Marc Buckley, who has been in Poland covering COP24. Sign up for our newsletter to get it straight to your inbox. And check out some pictures of what’s being going on during this second week. We will be sharing pictures captured by Marc over the coming days.