How do people feel about Earth Hour?

This visualisation allows you to see the top environmental topics being discussed by the public on Twitter around Earth Hour 2016 and the sentiment being expressed regarding each topic. Around the time of of Earth Hour 2016 the data used in this example was updated once an hour and covered the last twenty-four hours of relevant tweets. It now shows a static snapshot based on tweets sent on the day of Earth Hour, the 19th of March 2016. Click on the bars to see related tweets for each topic.