Earth Hour takes place tonight
Millions of people around the world will come together to mark Earth Hour this evening to inspire action on climate change.
People in more than 180 countries will switch off their lights between 8:30pm and 9:30pm.
Áras an Uachtaráin will go dark, as will Leinster House, Trim Castle, Ross Castle and the Rock of Cashel.
Singapore and Hong Kong have turned off their lights for #EarthHour! Be a part of this global movement for nature. pic.twitter.com/nRIn9dCdWD
— World Wildlife Fund (@World_Wildlife) 30 March 2019
Around the world, the Eiffel Tower, Empire State Building, Sydney Opera House and Burj Kalifa are among more than 17,000 global landmarks taking part.
Happy #EARTHHOUR 2019! #WWFJapan
How are you celebrating #EarthHour Japan 🇯🇵 ? Tell us how you plan to protect our shared home and inspire the world, one small action at a time! #Connect2Earth https://t.co/DaM9K6f47Y pic.twitter.com/jqqI9S77KR— Earth Hour (@earthhour) 30 March 2019