BERLIN: A survey conducted by the Washington-based Pew Research Center concluded that climate change has been the top security concern in several countries.

According to the survey, Islamist terrorism and cyber-attacks have been listed as other concerns after climate change. In the survey, respondents in a number of countries expressed their worry about the power and influence of the United States, reports said.

The survey said that in 13 of 26 countries, people listed climate change as the top global threat. Likewise, Islamic State militant group topped the list in eight and cyber-attacks in four, according to Reuters.