More than six in 10 Americans see climate change or global warming as a serious problem facing the United States, according to the results of the latest ABC News/Washington Post poll released Monday morning, on the same day leaders from around the world convened in Paris for a summit on environmental issues. But less than half say government should be doing more to blunt the effects of the environmental phenomenon.

While 63 percent of Americans found it to be a serious threat, that is a drop of 6 points in the last year and a half in the same survey. About 36 percent said it was not a serious problem. In June 2014, 69 percent called it a serious issue, compared to 29 percent who said it was not serious.

Read the article “Poll: Fewer Americans See Climate Change as a Serious Threat” on politico.com.