more than 30,000 people were surveyed — across 31 countries — about their attitudes to climate change policies. more than half, 56%, say they want their governments to play a key leadership role. that's an increase on a similar poll conducted five years ago. with more details on this, i'm joined by our environment correspondent, matt mcgrath. tell us more about what the survey has found. ., ., ~' tell us more about what the survey has found. ., ., ~ ., , has found. you would think that is not necessarily _ has found. you would think that is not necessarily a _ has found. you would think that is not necessarily a huge _ has found. you would think that is not necessarily a huge majority, i has found. you would think that is i not necessarily a huge majority, the percentage saying they want action from the _ percentage saying they want action from the governments, but to put in context _ from the governments, but to put in context this — from the governments, but to put in context this was carried out before the paris _ context this was carried out before the paris climate talks back in 2016 six years _ the paris climate talks back in 2016 six years ago —— another survey was carried _ six years ago —— another survey was carried out — six years ago —— another survey was carried out. the difference between then and _ carried out. the difference between then and now is quite remarkable. people _ then and now is quite remarkable. people looking for strong action from _ people looking for strong action from their government, strong leadership, has increased by 25% over that — leadership, has increased by 25% over that time. it has increased in a lot— over that time. it has increased in a lot of— over that time. it has increased in a lot of interesting countries, in india _ a lot of interesting countries, in india and — a lot of interesting countries, in india and china. in china back in 2015— india and china. in china back in 2015 only— india and china. in china back in 2015 only 18% of people wanted to